1 to be connected

2 traffic

3 transportation

4 communications

5 liaison

1 to put on makeup

1 cosmetic

2 makeup product

1 chemistry

2 chemical

1 incarnation

2 reincarnation

3 embodiment (of abstract idea)

4 personification

1 lit. doesn't (even) enter a single aperture (of one's head)

2 I don't understand a word (idiom)

3 it's all Greek to me

1 grasp this fundamental point and all the rest will follow (idiom)

1 to act in collusion (idiom)

1 mutual exchange of assistance (idiom)

2 to benefit from each other's strengths and make up each other's shortfalls

3 to reciprocate with material assistance

4 scratch each other's back

1 the full light of day (idiom)

2 fig. peace and prosperity

3 in broad daylight