Definitions in order of appearance:
Measure - The length of a line of type. Alignment - The organization and positioning of visual elements in a compositional layout. Proportion - A design principle that defines the systematic relationship of one visual element to another. Margin - The negative space located between columns of type and the formal edge of the page. Column - A verticle alignment of type that creates verticle divisions between the live area of a compositional layout’s margins. Module - An individual unit of space within a page grid seperated by regular intervals that create columns and rows. Spactial zone - A group of modules that form distinct fields within a page grid for displaying similar information in a constant manner. Flowline - A horizontal alignment in a page grid that organizes visual and narrative content into defined areas. Marker - A placement indicator for supporting page information. Gutter - A vertical space located between columns of type.
