Definition
Contrast
The state of being different from something else.
Repetition
The action of repeating
Alignment
Potition of agreement or alliance.
Proximity
Nearness in space.
HTML
Hypertect Markup Language: a standardized system for tagging text files.
CSS
Cascading Style Sheets: a style sheet language written in a markup language.
Tag
A label for the purpose of identification or information.
Div
A division in a document.
Lists
Connected items or names.