The first loop of the introductory video concluded with a series of nature scenes.
That's more expensive than an introductory MacBook Pro and not everyone will be able to afford that.
She spent a day shadowing me, part of an introductory program I instituted for trainees in CTC.
c.1600, from Late Latin introductorius, from introduct-, past participle stem of introducere "to lead in, bring in" (see introduction). Also used in English from c.1400 as a noun meaning "introductory treatise or textbook."