"Excellent introduction" refers to a very well-done beginning or opening. It means that someone has started something in an impressive and effective way. Full definition
Excellent introduction for new GCSE 9 - 1 spec. (tes.com)
Our team can advise on compliance and regulatory matters and make excellent introductions to accountants and other professionals, who specialise in their field on advising businesses coming to the UK. (clarkslegal.com)
These chapters provide us with excellent introductions to Sensorimotor Psychotherapy, Theraplay, and Internal Family Systems and their use with children, as well as illustrating how each strengthens EMDR treatment. (anagomez.org)