The most common and most likely answer to this crossword clue is the 5 letter word GRAPH
I've seen this crossword clue in Independent
G
R
A
P
H
More clues leading to the result GRAPH
- One's plotted revenge, primarily, in break with French at last
- Admiring Raphael’s representation of a relationship
- Visual representation used in cryptography
- Plot involving Wimbledon champion, it’s said
- Picture half-censored in plot
- Charge husband after start of gunpowder plot
- One result of plotting
- Result produced by plotters?
- Data structure found in a Ghana website adopting the upcoming standard
- Outline first impressions of Goa, recording all public happenings
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 = graph.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 GRAPH mean?
GRAPH noun- (applied mathematics) A data chart (graphical representation of data) intended to illustrate the relationship between a set (or sets) of numbers (quantities, measurements or indicative numbers) and a reference set, whose elements are indexed to those of the former set(s) and may or may not be numbers.
- A set of points constituting a graphical representation of a real function; (formally) a set of tuples (x_1, x_2, \ldots, x_m, y)\in\R^{m+1}, where y=f(x_1, x_2, \ldots, x_m) for a given function f: \R^m\rightarrow\R.
- (formally) An ordered pair of sets (V,E), where the elements of V are called vertices or nodes and E is a set of pairs (called edges) of elements of V; (less formally) a set of vertices (or nodes) together with a set of edges that connect (some of) the vertices.
- A topological space which represents some graph (ordered pair of sets) and which is constructed by representing the vertices as points and the edges as copies of the real interval [0,1] (where, for any given edge, 0 and 1 are identified with the points representing the two vertices) and equipping the result with a particular topology called the graph topology.
- (of a morphism f) A morphism \Gamma_f from the domain of f to the product of the domain and codomain of f, such that the first projection applied to \Gamma_f equals the identity of the domain, and the second projection applied to \Gamma_f is equal to f.
- A graphical unit on the token-level, the abstracted fundamental shape of a character or letter as distinct from its ductus (realization in a particular typeface or handwriting on the instance-level) and as distinct by a grapheme on the type-level by not fundamentally distinguishing meaning.
- To draw a graph.
- To draw a graph of a function.