In Jainism, Āgam (Aagam / Agam) means the sacred Jain scriptures – the canonical texts that preserve the teachings of the Tirthankars, especially Bhagwan Mahavir.

Very simply:

• Meaning: “Āgam” = “that which has come down (to us)” → the teaching that has been transmitted from the Tirthankars through their Gaṇadhars (main disciples) and the Jain tradition.
• What they contain:

- Jain philosophy (soul, karma, lok / universe, moksh) - Rules of conduct for sadhus–sādhvīs and śrāvaks–śrāvikās - Vows, discipline, meditation, samayik, pratikraman, etc. - Stories (kathā) that teach dharma and show the path to liberation

• Language: Mostly Prakrit, especially Ardhamāgadhī, later preserved in written form. ( jainknowledge.com)

Difference in traditions

• Śvetāmbara Jains

- Accept a canon of 45 Āgams, grouped as: - 11 Anga - 12 Upāṅga - 6 Chedasūtra - 4 Mūlasūtra - 2 Cūlikā - 10 Prakīrṇaka - Believe the 12th Anga (Dṛṣṭivāda) is lost. ( jainknowledge.com)

• Digambar Jains

- Believe the original Āgams are lost. - Follow other very old and authoritative texts like Ṣaṭkhaṇḍāgama and Kaṣāyapāhuda, but accept that the original spoken canon of Mahavir is no longer preserved in full. ( jainknowledge.com)

In short: Āgams = the main Jain scriptures containing the original path of Right Faith, Right Knowledge, and Right Conduct, as taught by the Tirthankars.

You can read a simple explanation here and also .