What is the difference between ending aron and aban in spanish Or there no difference?

You're asking about the difference between "-aron" and "-aban" in Spanish. These are both verb endings, but they represent different tenses and moods:

-aron: This ending marks the third-person plural preterite of regular verbs. This tense is used for actions that happened in the past and are now completed.

* Example: "Ellos corrieron rápido" (They ran fast)

-aban: This ending marks the third-person plural imperfect of regular verbs. This tense is used to describe actions that happened in the past and continued for a period of time or were habitual.

* Example: "Ellos corrian todos los días" (They used to run every day).

Key Differences:

* Tense: Preterite vs. Imperfect

* Action: Completed action (preterite) vs. Ongoing or habitual action (imperfect)

In summary, "-aron" and "-aban" are not interchangeable. They mark different tenses and have different meanings.