Both add a sense of space to the painting. Think of overlapping like you would putting a plastic cup in front of a plant. That creates a overlapping object. Foreshadowing is like the plant behind said cup. You shade it so make it seem as though the plant is actually behind something.
Foreshortening could be a procedure utilized in context to frame the figment of partner object retreating effectively into space or foundation. Though covering could be a strategy inside which one article covers a piece of another item, the thing ahead offers a superior view to the watcher. Please give BRAINLIEST!
