Is each label associated with a form input field relevant (excluding special cases)?

WCAG Reference

11.2.1

Does each <label> tag identify the exact function of the form input field to which it is associated?
11.2.2

Does each title attribute identify the exact function of the form input field to which it is associated?
11.2.3

Does each label implemented via the WAI-ARIA aria-label attribute identify the exact function of the form input field with which it is associated?
11.2.4

Does each passage of text associated via the WAI-ARIA aria-labelledby attribute reveal the exact function of the form input field with which it is associated?
11.2.5

Does every form input field with a visible label meet these conditions (excluding special cases)?

If present, the value of the WAI-ARIA aria-label attribute of the form input field contains at least the visible label.
If present, the passage of text linked to the form input field via a WAI-ARIA aria-labelledby attribute contains at least the visible label.
If present, the value of the title attribute of the form input field contains at least the visible label.
If present, the content of the <label> tag associated with the form input field contains at least the visible label.
11.2.6

Does each button adjacent to the form input field that provides a visible label identify the exact function of the form input field with which it is associated?