There is also a commonly used article called contracto article which is a contraction between the prepositions:
a - to, and de - of, from, about (prepositions in English may vary or there might be none).
with the definite masculine article:
el - the
forming the words:
al - to the
del - of the, about the, etc.

Examples:

a + el = al
José camina al cine. - José walks to the movie theater.

Tú vas al mercado. - You go to the market.

de + el = del

Yo saldré del hotel a la una. - I will leave the hotel at one.
Nombre del esposo. - Name of spouse.
¿Es dueño del camión? - Are you the owner of the truck?