Poder vs. saber

In Spanish, 'poder' and 'saber' are both verbs that can be translated as 'can' or 'to be able to' in English. However, their usage differs depending on the context.

Poder

The verb 'poder' is generally used to express the potential or physical capability to do something, similar to 'can' or 'could' in English.
Yo puedo correr rápido.
(I can run fast.)
Nosotros podemos ver la película mañana.
(We can watch the movie tomorrow.)
¿Podrías ayudarme con esto?
(Could you help me with this?)

Saber

'Saber' is typically used for showing knowledge about something, knowing how to do something, or knowing information.
Yo hablar español.
(I know how to speak Spanish.)
Ella sabe la respuesta a la pregunta.
(She knows the answer to the question.)
Nosotros sabemos que el tren llegará tarde.
(We know that the train will arrive late.)

Summary

'Poder' and 'saber', while both translate as 'can' or 'to be able to', have distinct uses. Use 'poder' when talking about potential or physical abilities, and 'saber' for knowledge, skill or known information.