Grammar fix

key point

main idea

the most important idea or detail in something you are saying, reading, or discussing

collocationB1common

Hear it in context

Notice where the phrase sounds natural.

The key point of her presentation was that everyone should have equal access to education.

In my opinion, the key point of the discussion is that public transport needs to be more reliable for people to use it regularly.

One small grammar move makes it sound right.

Not: That's the ~~most~~ key point.

Say: That's the key point. / the main point.

'Key' isn't graded — avoid 'most key'; just say 'the key point'.

Tap the one a native speaker would say.

Words that usually travel with it.

the key point