Question

what does a recursive defined sequence mean in simple english?

Answer 1

Recursive defined sequences like recurrence relations partially define themselves recursively

Answer 2

fib(n) = fib(n-1) + fib(n-2)

Answer 3

fib = Face in Book.

Answer 4

also the factorial

n! = n*(n-1)! = n*(n-1)*(n-2)! = ...

Answer 5

in simple english, recursive defined sequence means a sequence in which each term depends upon some previous terms, provided we r given the starting term.
hope it would be clear to u now