Initialism of theme centered interaction.

Initialism of Turks and Caicos Islands. / Initialism of Tokyo Chemical Industry.

(Lojban grammar) a (Lojban analogue of a) preposition; a "sumti label" for extra sumti (“arguments”) of the selbri which the sumti tcita modifies. (By "extra sumti" are meant sumti which have not been assigned places in the selbri (“predicate”)'s place structure).