A Container-type clue is one where one word is "contained" inside another word to produced the answer.
How can you tell that the clue you are looking at is an container type clue? And how do you solve it?
Here is a typical container-type clue:
Make a confession about poetry being stitched together (8)
These clues generally consist of four parts:
In this case:
So if you put one inside the other you get oVERSEwn (stitched together).
There are a lot of container indicators. Other examples are words like "around", "embrace" or "inside". So you can't memorise them all! You just need to get a "feel" for the sorts of words that signal a container-type clue.
Now try this clue:
If you are stumped, give it to the machine!