A more thorough explanation:

Definition: Adherence refers to the act of following or sticking to a particular rule, law, or agreement.

Example: A patient's adherence to their medication regimen is crucial for their recovery.

Explanation: This example illustrates how a patient's adherence to their prescribed medication regimen is important for their recovery. If they do not follow the instructions given by their healthcare provider, their condition may worsen or not improve as expected.

Example: In Scots law, adherence refers to the duty of spouses to live together.

Explanation: This example shows how adherence can also refer to a legal obligation, in this case, the duty of spouses to live together as per Scots law.