In contract law, how may acceptance of an offer be indicated?

In contract law, acceptance of an offer can indeed be indicated not just through explicit words but also through behavior, which is referred to as implied acceptance. This occurs when a party's conduct demonstrates agreement to the terms of the offer without the need for a formal verbal or written declaration. For instance, if an individual begins to fulfill the terms of an offer by performing the requested action, that conduct can serve as a valid acceptance, provided it clearly aligns with the offer’s terms.

Implied acceptance allows for flexibility in forming contracts, recognizing that clear mutual agreement can be communicated through actions, especially in situations where verbal or written acknowledgment might not be practical or necessary. This approach reflects a broader understanding of the parties' intentions and the context of their interactions.

The other options are limited in their scope. Exclusive reliance on written communication, third-party agreements, or monetary exchanges fails to capture the full breadth of how acceptance can manifest in real-world scenarios. Thus, the concept of acceptance through conduct offers a more comprehensive understanding of how contracts can be formed beyond rigid formalities.