Self-documenting identifiers

• Variables should be named in a way where anyone could understand what their purpose is
• It is self-documenting, thus you don't need to rad anything extra or consult an explanation to understand what contents it will hold

Annotation

• Pieces of English that are inserted into code
• Help other programmers understand the code
• Comments are discarded by the program during compilation

Program layout

• Some languages require you to lay your code out in a certain way in order for it to work
• Examples: Indents, spaces between operators