Tagline – A sentence that clearly and concisely sums up the campaign message.
Target – Often followed by “Audience” this is the demographic which a campaign, product or service is aimed at.
Template – A template is something which acts as the basis for something else. For example, a WordPress template defines the overall look of a site, but each page can be customised. The same applies to print where a set template is created and then different pages are variations of it.
Text Wrap – Where text, instead of extending past the visible screen or defined boundary automatically drops to the next line..
TIFF – A high quality image file format.
Thumbnail – A small image, often a scaled-down version of a larger image used to help aid navigation or help the viewer choose what’s relevant / interests them.
Through The Line – This refers to interactive media advertising.
Truisms – Simple “facts of life” that can be effective is their use as they are widely recognised, simplistic, and hard to argue against.