The full form of PDA can vary depending on the context. Here are a few common meanings:
- Personal Digital Assistant – A mobile device that functions as a personal organizer, often including features like a calendar, contacts, and note-taking.
- Public Display of Affection – Refers to physical displays of affection in public places, such as holding hands or kissing.
- PDA (in the context of education) – Professional Development Activity, which involves training or educational activities for professionals.
If you have a specific context in mind, please let me know!