TermCraft conventionFoundational
Grid
The invisible columns that things line up to.
Definition
A structure of columns and gutters providing consistent positions for layout elements.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
In plain language
The invisible columns that things line up to.
Example
A twelve-column grid, chosen because it divides into halves, thirds, quarters and sixths.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Nearby in the Atlas
Adjacent territory, found through shared tags rather than a stated link.