Esto is incorrectly written, and should be written as "this" being its meaning:It is a singular demonstrative pronoun neutral, coming from the latin istud, indicating proximity of it designated for which speaks, unlike that or that which indicate progressively more distance. Never takes a tilde, pronoun, either because there is no homophonous adjective that is could be confused, since the adjective is " this ".
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list