And page 237 of the DMG is where the section called Using Ability Scores begins. It beginsOn Page 4 of the basic rules:
The player is supposed to describe their action in natural language. The DM adjudicates the action calling for a ability check if there's uncertainty (and a meaningful cost to failure).
Edit: added some bold for clarity
When a player wants to do something, it's often appropriate to let the attempt succeed without a roll or a reference to the character's ability scores. For example, a character doesn't normally need to make a Dexterity check to walk across an empty room or a Charisma check to order a mug of ale. Only call for a roll if there is a meaningful consequence for failure.
When deciding whether to use a roll, ask yourself two questions . . .