
Will
Time Specific
Use 'will' when timing is certain, especially with scheduled or planned future events.

The train will depart at 6 PM.
Instant Decisions
Use 'will' for decisions made at the moment of speaking rather than premeditated ones.

It's hot here; I will open the window.
Predictions
Use 'will' for predictions or expectations about the future, not past events.

I think it will rain tomorrow.
Compare with
ChoiceDecisionDesireDeterminationIntentionPurposeResolutionVolition
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