Crossword Genius

Point to everything that can impede progress (4)

Ross

I believe the answer is:

wall

I'm a little stuck... Click here to teach me more about this clue!

'point to everything that can impede progress' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'point to everything' is the wordplay.
'point' becomes 'W' (W is an example).
'to everything' becomes 'all' (I've seen this before).
'w'+'all'='WALL'

Can you help me to learn more?

(Other definitions for wall that I've seen before include "Brick or stone barrier" , "Solid partition" , "Separator of Pyramus and Thisbe" , "Brick construction" , "that may consist of many courses" .)

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