Two is the number 2.
Use two when you mean one more than one and one fewer than three.
Example of two used in a sentence
To has two meanings.
1. To can be used as a preposition, which begins a prepositional phrase and often indicates movement from one person, place, or thing to another.
Examples of to used as a preposition
2. To can be used before a verb to start an infinitive.
Examples of to beginning an infinitive
Too has two meanings.
1. Too can mean "also."
2. Too can mean "more than enough" or "very."
Link to exercises on two / to / too.