A more thorough explanation:

Definition: Affection is a feeling of fondness, love, or devotion towards someone or something.

Example: Sarah felt a deep affection for her dog, who had been her loyal companion for many years.

Explanation: This example illustrates how affection is a strong emotional bond between a person and their pet. Sarah's love and devotion towards her dog is an example of affection.

Example: In the past, people would use affection as a way to secure a loan. They would pawn or mortgage something valuable to ensure they could pay back the money.

Explanation: This example shows how affection had a different meaning in the past. It was used as a way to ensure the payment of money or performance of some other obligation.