Image representing Business 101: Understanding Finance, Marketing, and Sales

Business 101

Understanding Finance, Marketing, and Sales

By Denton Zhou
December 11, 2024
"The aim of marketing is to know and understand the customer so well the product or service fits him and sells itself." - Peter Drucker  


Have you ever wondered how businesses operate? How do they make money? How do they reach their customers? And who does what within an organization?

Whether you're considering a career in business, curious about the inner workings of companies, or simply want to be a more informed consumer, understanding the fundamentals of finance, marketing, and sales is essential. This article will guide you through core business functions, providing you with a clear overview of how they contribute to a company's success.

Throughout, we'll share our course recommendations so you can dive deep into your topics of interest.

Finance: the language of business

Finance is the backbone of any business. It involves managing money, making financial decisions, and tracking financial performance. Understanding basic financial concepts is crucial for everyone, regardless of their profession.

Key financial concepts:

  1. Revenue: The income generated from selling goods or services.
  2. Expenses: The costs incurred in running a business.
  3. Profit: The difference between revenue and expenses.
  4. Cash flow: The movement of money in and out of a business.
  5. Budgeting: Planning how to allocate resources.
  6. Financial statements: Reports that summarize a company's financial performance (e.g., income statement, balance sheet).

Learning about finance doesn't require a degree in accounting. There are many accessible resources available, including a wealth of online courses that can help you grasp the basics, whether you're interested in personal finance or the financial workings of a large corporation.

These courses offer structured learning experiences from reputable institutions, often at a fraction of the cost of traditional education. Here's what we recommend to get started:

These courses cater to different learning styles and levels of expertise.

Those seeking a comprehensive overview of finance and accounting should look into offerings from the University of Pennsylvania and University of Illinois at Urbana-Champaign. These are both series comprised of multiple courses that can be taken on a monthly subscription with Coursera. The former provides a strong foundation for finance while the latter looks at broader aspects of managing finances within an organization.

Those seeking a more practical approach to using financial tools in everyday decision-making should look at University of Michigan's "Finance for Everyone." If you need something more theoretical, check out Cambridge's "Foundations of Finance" instead.

Finally, "Introduction to Finance: The Basics" and "Finance for Non-Financial Managers" provide targeted introductions to the field, with the latter designed specifically for those in management roles who lack formal financial training.

Marketing: connecting with customers

Marketing is all about understanding your target audience and creating strategies to reach them. It involves identifying customer needs, developing products or services that meet those needs, and communicating the value of those offerings.

Key marketing concepts:

  1. Market research: Understanding the market, customers, and competitors.
  2. Target audience: The specific group of people a business aims to reach.
  3. Branding: Creating a unique identity for a product or service.
  4. Marketing mix (4Ps): Product, Price, Place, Promotion.
  5. Digital marketing: Using online channels to reach customers.

Effective marketing is crucial for attracting and retaining customers. Whether you're promoting a product, a service, or even yourself, understanding basic marketing principles can be incredibly valuable.

Fortunately, there are a plethora of online courses available to help you master these essential skills, from introductory overviews to specialized programs in digital marketing and branding. These courses offer a flexible and accessible way to learn from leading experts and institutions.

To help you navigate the options, we've curated a selection of excellent online marketing courses:

For a comprehensive introduction to the field, the University of British Columbia's "Introduction to Marketing" on edX provides a solid foundation. Those interested in developing strategic marketing plans will benefit from Illinois Tech's "Marketing Strategy" course on Coursera.

If your focus is on the digital realm, the University of California, Irvine offers both a general "Introduction to Digital Marketing" and a more specialized "E-Marketing" specialization on Coursera. For entrepreneurs and startups looking to build a strong brand, the Udemy course "Branding & Marketing for Startups" provides practical advice. IE Business School's "Branding: The Creative Journey" on Coursera offers a more in-depth look at the creative aspects of branding.

Data-driven marketers will find the University of Virginia's "Marketing Analytics" course on Coursera invaluable. Finally, for those interested in mastering the latest digital marketing tools and strategies, the Google Digital Marketing & E-commerce and Meta Marketing Science Certification Prep specializations on Coursera offer cutting-edge training directly from industry leaders.

With these diverse offerings, you can find the perfect course to enhance your marketing skills and knowledge.

Sales: closing the deal

Sales is the process of persuading customers to purchase a product or service. It involves building relationships, understanding customer needs, and presenting solutions that address those needs.

Key sales concepts:

  1. Lead generation: Identifying potential customers.
  2. Sales process: The steps involved in making a sale.
  3. Customer relationship management (CRM): Managing interactions with customers.
  4. Negotiation: Reaching an agreement with a customer.
  5. Closing techniques: Strategies for finalizing a sale.


Sales skills are valuable in many aspects of life, not just in traditional sales roles. Whether you're negotiating a salary, pitching an idea, or simply trying to persuade someone, understanding basic sales principles can be beneficial. To help you hone these skills, a wide range of online courses are available, catering to various aspects of the sales process, from lead generation and CRM to closing techniques and emotional intelligence. Importantly, negotiation is a critical component of sales and many other areas of life. We've included several courses that focus specifically on developing effective negotiation strategies. These online resources provide accessible and practical training, allowing you to learn at your own pace and develop the skills needed to succeed in sales and beyond.

Here's a curated selection of online sales and negotiation courses to get you started.

This collection offers a diverse range of learning opportunities. For practical sales training, these options from HubSpot and sales experts from Udemy offer helpful introductions.


The Coursera Instructor Network offers a series of helpful courses about sales. These helpful overviews cover the gamut of topics for those who are relatively new to sales:

For those interested in the technical side of sales, "Build a automated CRM for Lead Management with Google Sheets" on the Coursera Project Network offers a practical, hands-on approach. Starweaver's "Customer Relationship Management" course provides a broader understanding of CRM principles. For those interested in selling to large organizations, the "Enterprise Sales" program from Queen’s University on edX offers valuable insights.

Those looking to hone their sales craft by understanding high performance sales and influence have plenty of options.

Likewise, there are plenty of courses devoted to sales in particular industries or specific kinds of sales activities.

Lastly, we share an expanded selection of resources that will enhance not only your sales abilities but also your negotiation prowess in various contexts.

From lead generation and customer relationship management (CRM) to closing deals and mastering negotiation, sales is a vital skill in business and beyond.

Online courses offer accessible training in all these areas, covering fundamental selling techniques, sales pipeline management, and specialized topics such as B2B sales, technology sales, and effective negotiation strategies.

Your competitive edge: understanding how these functions work together

Finance, marketing, and sales are interconnected and interdependent.

Finance provides resources and tracks performance, marketing generates demand, and sales converts that demand into revenue. This creates a cycle.

Marketing identifies a target audience and creates campaigns. Finance budgets for these campaigns and tracks ROI. Sales uses marketing-generated leads to engage customers and close deals. Sales revenue is then managed by finance and reinvested, potentially funding further marketing or product development. This interplay ensures business growth.

Sampling online courses covering finance, marketing, and sales offers a powerful way to build a stronger understanding of business overall. By exploring these core areas, you'll gain a holistic view of how business functions as a whole.

These courses also offer practical skill development. In many instances, the instructors will provide both theory as well as guidance on how to put what you've learned to practice.

Whether you're looking to advance within your current role, transition to a new career, or start your own business, you'll find that learning these subjects will give you a competitive edge.

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