a mountain (large mass of earth and rock) or (large) hill / a mine (excavation usually consisting of small tunnels) / a heap, pile / the top or high part of an object / a chance, gamble / a climax, peak

wildfire / backburn

a wildfire

a backburn: a controlled fire deliberately set in the path of a wildfire to create a firebreak by removing combustible material

to bake, to grill / to burn / to burn (to write data to a permanent storage medium) / to use heat or flame to prepare something for eating or using: / to expose to sunlight and cause to change color: to tan one's skin

(obsolete) to change on its own by means of fire, light, chemicals, or other means: to burn, to tan, to be cooked

the whole, entire

originally, from the beginning

To exhaust; deplete; use up. / serve, assist

to do to exhaustion, to do something completely