The most common and most likely answer to this crossword clue is the 4 letter word PLAN
I've seen this crossword clue in The Daily Telegraph
P
L
A
N
More clues leading to the result PLAN
- Intend to get litres into bowl
- Map pinpointing Libya and Nigeria, primarily
- Greek god's drawn in line drawing
- Strategy the board has failed to complete
- Clear I abandoned scheme
- Scheme taken up by venal politician
- Inadequate tool for drawing
- Idea to reduce growth
- Draft factory contracts
- Design most of factory
Buddy explains!

The straight part
We know that "plot" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case plot = plan.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PLAN mean?
PLAN noun- A drawing showing technical details of a building, machine, etc., with unwanted details omitted, and often using symbols rather than detailed drawing to represent doors, valves, etc.
- A set of intended actions, usually mutually related, through which one expects to achieve a goal.
- A two-dimensional drawing of a building as seen from above with obscuring or irrelevant details such as roof removed, or of a floor of a building, revealing the internal layout; as distinct from the elevation.
- A method; a way of procedure; a custom.
- A subscription to a service.
- To design (a building, machine, etc.).
- To create a plan for.
- To intend.
- To make a plan.