This is the 432nd most frequent Spanish word.
alcanzar
To reach, achieve, or attain.
Here, 'alcanzar' means 'to achieve' or 'to accomplish' something abstract, such as dreams or goals.
Logré alcanzar mis sueños a pesar de las dificultades.
I managed to achieve my dreams despite the difficulties.
In this sentence, 'alcanzar' is used to indicate catching or reaching something physically, like the bus.
Ella corrió muy rápido para alcanzar el autobús.
She ran very fast to catch the bus.
Here, 'alcanzar' refers to physically reaching or being able to touch something out of normal reach.