Here are the possible solutions for what can be drawn using the only v's representing vertices in this puzzle's grid clue
Answer
Clue
Relevancy
fivepointedstar
Clue
What can be drawn using the only V's, representing vertices, in this puzzle's grid
ambidextrous
Clue
Using both sides with equal frequency (like the letters in this puzzle's answer grid?)
Definition
able to use either hand with equal dexterity, also AMBIDEXTEROUS
acmes
Clue
Vertices
Definition
ACME, (Greek) the highest point
deneb
Clue
One of the vertices of the Summer Triangle
nodes
Clue
Vertices
Definition
NODE, a swollen enlargement
barbrastreisand
Clue
Legend born 4/24/1942 whose name's 9 letters are the only ones in this puzzle grid
ess
Clue
Last letter in most plurals (but not in this puzzle's six longest answers, which are the only plurals in this grid)
Definition
the letter S, also ES
four
Clue
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)