Do you mean GIF or is this some kind of IFF?
[gil] /gɪl/ noun 1. a male given name, form of . Government Information Locator Service
[gilt] /gɪlt/ verb 1. a simple past tense and past participle of 1 . adjective 2. . 3. gold in color; golden. noun 4. the thin layer of gold or other material applied in . 5. gilt-edged security. [gilt] /gɪlt/ noun 1. a young female swine, especially one that has not produced a litter. [gild] […]
[gilt-ejd] /ˈgɪltˌɛdʒd/ adjective 1. having the edge or edges gilded: gilt-edged paper. 2. of the highest or best quality, kind, etc. 3. Finance. adjective 1. (stock exchange) denoting government securities on which interest payments will certainly be met and that will certainly be repaid at par on the due date 2. of the highest quality: […]
[gilt-hed] /ˈgɪltˌhɛd/ noun 1. any of several marine fishes having gold markings, as a sparid, Sparus auratus, of the Mediterranean Sea. /ˈɡɪltˌhɛd/ noun 1. a sparid fish, Sparus aurata, of Mediterranean and European Atlantic waters, having a gold-coloured band between the eyes 2. any similar or related fish