QUICK ANSWER
"La" is a definite article which is often translated as "the", and "también" is an adverb which is often translated as "also". Learn more about the difference between "la" and "también" below.
la(
lah
)A definite article is a word that identifies a noun as specific or known to the speaker (e.g., the girl).
a. the
La pelota está en el tejado.The ball is on the roof.
La leche está en el refrigerador.The milk is in the refrigerator.
A pronoun is a word that stands in for a noun (e.g., she).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
también(
tahm
-
byehn
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (equally)
a. also
París también es conocida como capital del mundo de la moda.Paris is also known as the fashion capital of the world.
b. too
Yo tengo tres hermanos y mi mejor amiga también.I have three siblings and my best friend does too.
c. as well
No había entendido el chiste, pero cuando vi que todo el mundo se reía, yo me reí también.I hadn't understood the joke, but when I saw everyone laughing, I did as well.