1 to ascertain

2 to act on

3 to criticize

4 to pass on

5 classifier for batches, lots, military flights

6 tier (for the ranking of universities and colleges)

1 to point out

2 to remind (sb of sth)

3 to suggest

4 suggestion

5 tip

6 reminder

7 notice

1 to express

2 to show

3 to say

4 to state

5 to indicate

6 to mean

1 to show

2 to illustrate

3 to display

4 to demonstrate

1 to show

2 to take out and show to others

3 to display

1 to serve as a warning (idiom)

1 to get right to the heart of the matter (idiom)