aqui, alli, aca, alla, ahi
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Hello Uwe!All of those words are adverbs used for location.- Aquí and acá mean the same: Here.- Allí and allá mean the same: There/Over there. You most likely cannot see "allí" from where you are.- Ahí means There/Right there. You most likely can see there from where you are. (closer than allí and allá)Examples:- Acá en Nueva York hace un frío horrible. (here in NY...)- ¡Aquí me quedo! (I am going to stay here!)- Ahí estan las llaves debajo del sofá (The keys are over there, under the couch) you can most likely see the keys "ahí"- Allí me olvidé el sombreró en el restaurante. I forgot my hat there at the restaurant (you most likely cannot see the restaurant from where you are now)I hope this helps!