Elements of the Monoid in the category of endofunctors

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Quoting from Categories for the Working Mathematician by Saunders Mac Lane:

All told, a monad in X is just a monoid in the category of endofunctors of X, with product × replaced by composition of endofunctors and unit set by the identity endofunctor.

So we have the category $X$ with Endofunctor $T: X \rightarrow X $

And two natural transformations: $$\eta: 1_X \rightarrow T $$ $$ \mu: T^2 \rightarrow T $$

Question: Since $T$ is the object of this Monoid, what are its elements? I understand that the elements are:

$$ \forall x \in X: T(x), T^2(x), T^3(x),...,T^n(x),...$$

Is that correct?

This is a followup to Monoid in the category of endofunctors and Monoid as a category with one object