Which key is used to go one frame back during playback?

The key used to go one frame back during playback is often designated as a specific key in various video editing and playback software. In many industry-standard programs, the choice to step back a frame typically corresponds to a specific number key, reflecting the functionality standardization across software applications.

In this case, the correct choice associated with going one frame back is indeed the number three. This aligns with common practices seen in video editing environments, where certain keys are assigned for specific playback functionalities such as moving forwards or backwards through frames. Understanding the layout and key assignments in your specific software is essential for efficient editing and navigation, as this knowledge allows for quicker adjustments while working on video timelines.

This functionality is particularly important in tasks where precision is required, such as syncing audio with video, making frame-accurate cuts, or analyzing motion. Being familiar with these key assignments can greatly enhance workflow efficiency.