#1 Hola, soy indicate what am I
Ex, soy musico. soy matematico.
#2 Estoy indicate where am I
Ex, estoy en el jardin de mi casa.
Estoy jugando con mi perro.
Use both together , soy musico, estoy
en la orquesta.
Soy matematico, estoy en la universidad.
Es is like "is" indicate what is she or
What is he .examplo, ella es enfermera.
El es doctor.
We find in spanish female subject and male subject it could be a chair or a person
There are comon and proper female and male nouns.
Este : it is a male subject it could be a male
Person or a male thing.
Esta: It is a female suject it could be a female
Person or a female object or thing.
Males: man , rooster, libro, vaso, doctor, jarro.
Female: women, gallina, vaca, taza,enfermera.
Estar: is like to be in a specific place. example,
A ella le gusta estar en la playa.
She like to "be" in the beach..be =estar.
Estan : it is the same estar just in plural form. Example, ellos estan en la playa.
They are on the beach. Are =estan
I hope to be clear and helpful.