Which action is performed to remove parts of an image that are not needed in a presentation?

The action of cropping an image involves removing the outer portions of the image, thereby focusing on the necessary elements for a presentation. When you crop an image, you define a specific area that you want to keep, with everything outside that area being eliminated. This can help enhance the overall visual appeal and clarity of your presentation by removing distractions and allowing the audience to concentrate on the most important parts of the image.

Masking, while a useful technique in image editing, is not primarily aimed at removing parts of an image but rather at hiding or revealing certain areas without permanently deleting them. Resizing simply changes the dimensions of an image, and fading typically refers to the gradual transition of an image or color, neither of which involve the removal of content from the image itself.