Qué
“Qué” means “what” in the question “¿Qué es esto?”. Its accent marks it as an interrogative word. Reuse it in “¿Qué es ...?” when asking what something is. Use it when identifying an unfamiliar object or thing.
es
“es” means “is” here and identifies or describes something; it is a form of ser. In “¿Qué es esto?” it links the question word with the thing being identified, and in “Este es mío.” it links the selected item with its owner. A common reuse pattern is “X es Y”. Use it when identifying something or stating what it is.
esto
“esto” means “this” and points to something near the speaker or currently indicated. In “¿Qué es esto?” it is the thing whose identity is being asked about. Reuse the pattern “¿Qué es esto?” when asking about a nearby object. Use it while pointing to something close by.
eso
“eso” means “that” and points to something away from the speaker or already indicated at a distance. In “¿Qué es eso?” it names the thing being identified. Reuse the pattern “¿Qué es eso?” when asking about something farther away. Use it when pointing to a distant or separately indicated object.
Quién
“Quién” means “who” and asks about a person’s identity in “¿Quién es esa persona?”. The accent marks it as an interrogative word. Reuse it in “¿Quién es ...?” when asking who someone is. Use it when identifying a person.
esa
“esa” means “that” when referring to a feminine singular person or thing; here it modifies “persona” in “esa persona”. Together, “esa persona” means “that person”. Reuse the word order “esa persona” when pointing out a particular person. Use it to refer to someone at some distance or already indicated.
persona
“persona” means “person” in “esa persona”. It is used after the demonstrative “esa” to identify the person being discussed. Reuse the phrase “esa persona” when referring to a particular individual. Use it when asking about or identifying someone.
Cuál
“Cuál” means “which” and asks the listener to select one option in “¿Cuál es el tuyo?”. The accent marks it as an interrogative word. Reuse it in “¿Cuál es ...?” when choosing among identified possibilities. Use it when asking which item belongs to someone.
el
“el” is the masculine singular definite article in “el tuyo”. Together, “el tuyo” refers to the masculine singular item that belongs to the person addressed. Reuse the pattern “el + tuyo” when selecting that person’s item. Use it when asking or answering which owned item is meant.
tuyo
“tuyo” means “yours” for the masculine singular item referred to in “el tuyo”. With “el”, the expression “el tuyo” means “the one that is yours”. Reuse “el tuyo” when identifying the other person’s item among several options. Use it when asking which selected item belongs to the person addressed.
Este
“Este” means “this one” and points to a selected nearby masculine singular item in “Este es mío.” It identifies the item that the speaker is claiming. Reuse the pattern “Este es ...” when indicating one particular item. Use it while pointing to a nearby item.
mío
“mío” means “mine” and states that the selected item belongs to the speaker in “Este es mío.” Its form refers here to the masculine singular item indicated by “Este”. Reuse the pattern “es mío” to state ownership of an item. Use it when confirming that something belongs to you.
Ese
“Ese” means “that one” and points to a selected masculine singular item in “Ese es tuyo.” It identifies the item that belongs to the person addressed. Reuse the pattern “Ese es ...” when indicating one particular item at some distance. Use it when pointing out which item is being discussed.