Popied
ProductPricingBlogAbout
Log inStart free trial

Invoicing Glossary

Your complete guide to invoicing, payment, and business terminology. Learn the language of professional billing and financial management.

96+
Terms Defined
5
Categories
100%
Free Access

Invoice Types

Different types of invoices and billing documents

15 terms

Invoice

Learn more →

Pro Forma Invoice

Learn more →

Commercial Invoice

Learn more →

Recurring Invoice

Learn more →

Credit Note

Learn more →

Debit Note

Learn more →

Purchase Order

Learn more →

Quote/Quotation

Learn more →

Estimate

Learn more →

Bid

Learn more →

Proposal

Learn more →

Interim Invoice

Learn more →

Final Invoice

Learn more →

Time and Materials Invoice

Learn more →

Fixed Price Invoice

Learn more →

Payment Terms

Common payment terms and conditions

15 terms

Net 30

Learn more →

Net 60

Learn more →

Net 90

Learn more →

Payment Terms

Learn more →

Due Date

Learn more →

Early Payment Discount

Learn more →

Late Payment Fee

Learn more →

Payment Gateway

Learn more →

Deposit

Learn more →

Milestone Payment

Learn more →

Progress Payment

Learn more →

Advance Payment

Learn more →

Cash on Delivery (COD)

Learn more →

Payment Plan

Learn more →

Installment Payment

Learn more →

Accounting Terms

Essential accounting and bookkeeping terminology

20 terms

Accounts Receivable

Learn more →

Accounts Payable

Learn more →

Line Item

Learn more →

Subtotal

Learn more →

Tax Rate

Learn more →

Discount

Learn more →

Balance Due

Learn more →

Bookkeeping

Learn more →

Expense Tracking

Learn more →

Deductible Expense

Learn more →

Aging Report

Learn more →

Cash Flow

Learn more →

Profit Margin

Learn more →

Revenue

Learn more →

Expense

Learn more →

Balance Sheet

Learn more →

Income Statement (P&L)

Learn more →

General Ledger

Learn more →

Chart of Accounts

Learn more →

Bank Reconciliation

Learn more →

Tax & Compliance

Tax terminology and regulatory terms

15 terms

VAT (Value Added Tax)

Learn more →

GST (Goods & Services Tax)

Learn more →

Sales Tax

Learn more →

Tax Invoice

Learn more →

Tax ID Number

Learn more →

Tax Exempt

Learn more →

1099 Form

Learn more →

W-9 Form

Learn more →

EIN (Employer Identification Number)

Learn more →

Withholding Tax

Learn more →

Tax Bracket

Learn more →

Tax Deduction

Learn more →

Tax Credit

Learn more →

Quarterly Taxes

Learn more →

Fiscal Year

Learn more →

Business Terms

Common business and client terminology

31 terms

Freelancer

Learn more →

Independent Contractor

Learn more →

Client

Learn more →

Vendor

Learn more →

Billable Hours

Learn more →

Retainer

Learn more →

Subscription

Learn more →

Statement of Work (SOW)

Learn more →

Deliverable

Learn more →

Scope Creep

Learn more →

Change Order

Learn more →

Terms and Conditions

Learn more →

Service Agreement

Learn more →

Non-Disclosure Agreement (NDA)

Learn more →

Intellectual Property (IP)

Learn more →

License

Learn more →

Copyright

Learn more →

Trademark

Learn more →

Royalty

Learn more →

Commission

Learn more →

Markup

Learn more →

Overhead

Learn more →

Break-Even Point

Learn more →

ROI (Return on Investment)

Learn more →

CAC (Customer Acquisition Cost)

Learn more →

LTV (Lifetime Value)

Learn more →

Churn Rate

Learn more →

MRR (Monthly Recurring Revenue)

Learn more →

ARR (Annual Recurring Revenue)

Learn more →

Burn Rate

Learn more →

Runway

Learn more →

Ready to Put This Knowledge to Work?

Create professional invoices with Popied and manage your billing like a pro

Start Free

Product

  • Features
  • Pricing
  • Use Cases
  • Blog

Company

  • About
  • Contact
  • Careers

Resources

  • Glossary
  • Use Cases
  • FAQs
  • Blog

Legal

  • Privacy
  • Terms
Popied© 2026. All rights reserved.
TwitterGitHubLinkedIn