Ordered list for logical sequences:

• steps in a recipe or instructions
• ranking or priority lists
• chronological events

Unordered collections when the order of items doesn't matter:

• navigation menus
• list of features or benefits
• related links

Description lists <dl>to associate terms with their definitions or descriptions. Examples include:

• Glossaries
• FAQ
• Metadata or key-value pairs

When to avoid lists:

• product cards
• tabular data