A photo credit signature is a way for photographers to ensure their work is properly attributed. It is typically placed near or on the photo, often in the form of a watermark or text overlay, to indicate the creator’s name or brand. This not only protects the photographer’s intellectual property but also boosts their recognition.

The term PLP file can refer to different formats depending on the software, but it is commonly associated with Photoline, a graphic design program. In Photoline, PLP is the native file format, preserving layers and edits, much like Photoshop’s PSD files. For photographers and designers, maintaining a PLP file helps with non-destructive editing and easier revisions, ensuring the original work remains intact while adjustments can be made flexibly.