What is the symbol for delta?

Δ

Explanation:

Δ

Delta /ˈdɛltə/ (uppercase Δ, lowercase δ or ; Greek: δέλτα délta, [ˈðelta]) is the fourth letter of the Greek alphabet. In the system of Greek numerals it has a value of 4. It was derived from the Phoenician letter dalet , Letters that come from delta include Latin D and Cyrillic Д.

This is the symbol for delta Δ

Explanation: Hello you were not clear so  am assuming delta as in the airlines.

Hope this helps my loves :)

d) the narrator even suggested that the white whale, moby d, was ubiquitous and present in every ocean at every moment.