Handy definitions for weird video jargon.

4K refers to a display device or video footage that has a horizontal resolution of approximately 4,000 pixels. 4K video contains approximately four times the pixels of Full HD video (1920x1080 pixels).

B-roll refers to the more abstract footage of people, places, or things that support the story.

AKA: DP, director of photography

Color grading happens after color correction and is strictly a creative process in which footage elements such as color hue, color saturation, and contrast are adjusted in order to create a visual aesthetic. This new visual "look" can add mood and feeling to a film.

The person principally responsible for the creative direction of a film. The direction is usually involved with planning the story, working on-set with the actors and cinematographer, and guiding the editing process.

AKA: visual effects, VFX

AKA: grip crew

In Hoptocopter's context, it means we work with the client to plan out the message that will achieve the client's goals and/or solve their problem. 

All arrangements made before the start of filming.