The verb describe has 4 senses (first 4 from tagged texts)
1. (79) describe, depict, draw -- (give a description of; "He drew an elaborate plan of attack")
2. (54) report, describe, account -- (to give an account or representation of in words; "Discreet Italian police described it in a manner typically continental")
3. (3) identify, discover, key, key out, distinguish, describe, name -- (identify as in botany or biology, for example)
4. (1) trace, draw, line, describe, delineate -- (make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand")