Answer:
A mask is a special kind of layer that lets you hide or reveal some of the layers under it
When you're working on an image, its a good idea to make a duplicate of the image, so that you'll have the original image in case you need it.
the alternate free select method is clicking to create points with straight lines connecting them
selection tools in gimp are scissors select and the foreground select
when you click the paths tool, you are creating anchor points.
Explanation:
A mask is a cloth that hides the underneath of something.
Duplication of an image is to make an exact copy of the image.
the alternate free select method does not involve one straight or curved line but actually is a pathway to many points making a line.
GIMP is GNU image manipulation program in which foreground select is performed by selecting a rough area in the foreground and scribbling it repeatedly. Scissor select is performed by identifying the layer of selection and creating a zigzag path around it to identify the object of selection.
the path on which the scissor select is traced are known as anchor points and aids in object selection.
