CAP may refer to:

• CaP, prostate cancer
• CAP (protein), cyclase-associated protein
• Carrierless amplitude phase modulation
• Catabolite activator protein, a regulatory protein for mRNA transcription in prokaryotes that binds cyclic AMP
• Cellulose acetate phthalate, a cellulose-based polymer
• Community-acquired pneumonia

A cap is a form of headgear. Caps have crowns that fit very close to the head and have no brim or only a visor. They are typically designed for warmth and, when including a visor, blocking sunlight from the eyes. They come in many shapes and sizes.

Cáp is Czech surname:

• František Cáp, also known as "Franz Cap" in Germany (1913–1972), a Czech film director and screenwriter
• Gabriela Benacková-Cápova (born 1947), a Slovak soprano
• Ružena Cápová
• Tomáš Cáp (born 1978, Hranice na Morave), a Czech footballer (midfielder)
• Vladimír Cáp (born 1976, Ostrava), a Czech footballer
• Vladislav Cáp (born 1926), a figure skater

Chapter may refer to:

• Chapter (books), a main division of a piece of writing or document
• Chapter book, a story book intended for intermediate readers, generally age 7-10
• Chapter (religion), an assembly of members in a religious order
• Chapter Arts Centre, a cultural centre in Cardiff, Wales
• Chapter house, a building attached to a cathedral or collegiate church
• Chapter Music, a record label
• A local assembly of a trade union

A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are named so because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor. Normally, the image is processed by a raw converter in a wide-gamut internal colorspace where precise adjustments can be made before conversion to a "positive" file format such as TIFF or JPEG for storage, printing, or further manipulation, which often encodes the image in a device-dependent colorspace. There are dozens, if not hundreds, of raw formats in use by different models of digital equipment (like cameras or film scanners).