The concept of "word pronunciation" in song singing should include the following two aspects:

1. Pronunciation;

2. Breath control during pronunciation.

Concerning breath control during pronunciation, this should be something that many pop music singers and amateurs who sing pop music should pay attention to. It is difficult for me to explain it concretely (for non-professionals), because this is a concept of perceptual range. Let me give you an example:

For comparison, as a counter-example, Leslie Cheung, you can listen to his concert , the articulation is very soft.