|The College Seal
- Echoes the call for all to live and breathe the core values of the college.
- Symbolic of the College as the source of knowledge, learning and skills.
- Stands for the rnlightenment and the wisdom gained by those who passes by the portals of GADTC.
The image of the Late Gov. Alfonso D. Tan
- The likeness of Gov. Alfonso D. Tan who established the institution in 1984 and envisioned it as an institution that will provide education for all.
Mt. Malindang and Panguil Bay
- The slopes and slants of Mt. Malindang and the bountiful waters of Panguil Bay to give reference to the geographic location of the institution.
- The seven stars circling the flame of the torch stands for the seven professional schools of the college.