Structure vs. Cover

"Our glossary of terms states:

 ‘STRUCTURE - the bottom of the lake with unusual features that distinguishes it from the surrounding bottom area.’ We must note the word BOTTOM. It is used not just one time in this sentence, it is used TWICE. 

At no time did it say structure was a weed patch, dock, tree, bush, rock, stump, etc.

That's because those are types of cover. 

The bottom of the lake (reservoir, stream, pond, etc.) was what it said, and what it meant.”

Buck Perry

📸 Fishing Facts, Feb. 1978