Cryptic crossword clue
“Cay” and “Quay” said to be essential elements for searching 8

The most common and most likely answer to this crossword clue is the 8 letter word KEYWORDS

K
E
Y
W
O
R
D
S

Buddy explains!

The straight part
We know that "essential elements for searching" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case essential elements for searching = keywords.
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 KEYWORDS mean?

KEYWORDS noun
  1. Any word used as the key to a code.
  2. Any word used in a reference work to link to other words or other information.
  3. A reserved word used to identify a specific command, function etc.
  4. Any word that occurs in a text more often than normal.

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