Which of the following best defines the term 'importing' in video editing?

Importing in video editing specifically refers to the process of bringing external video files into a project. This is a fundamental step in the editing workflow, as it allows editors to access and utilize various video assets stored outside of the editing software. When a video editor imports files, they are essentially loading media assets, such as video clips, audio files, or images, into the project where they can be organized, edited, and arranged according to the project's narrative or desired outcome.

Understanding the importance of importing is crucial for a smooth editing process, as it sets the stage for all subsequent editing tasks. This method enables the integration of various media types, which can enhance storytelling through the combination of sound, visuals, and effects.

The other options highlight different aspects of the video editing workflow, such as editing and exporting, creating animatics, and rendering projects, but they do not capture the essence of what importing specifically involves.