What is the key difference between transitive and non$-$transitive trust in Active Directory?

What is the key difference between transitive and non$-$transitive trust in Active Directory?

what is he answer?

$1.$Transitive trust requires direct communication, while non$-$transitive trust relies on shared resources.

$2.$Transitive trust is manually set up$,$ while non$-$transitive trust is automatic.

$3.$Transitive trust is automatic and applies to shared domains, while non$-$transitive trust is manual and applies to different forests.

$4.$Transitive trust only applies to parent and child domains, while non$-$transitive trust applies to all domains.