The values you define to properties in TypoScript is often of a specific format. This table is your guide to these formats.
Eg. if a value is defined as the type "<tag>", you're supposed to supply HTML-code. If it is of the type "resource", it's a reference to a file from the resource-field in the template. If the type is "GraphicColor" a color-definition is expected and you should supply a HTML-valid color-code or RGB-values comma-separated.
All this is seen in this table: