Introduction and Key

Introduction

Introduction noun - A short section (as of a book) that leads to or explains the main part.

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Key and introduction are semantically related in admittance topic. In some cases you can use "Key" instead a noun "Introduction".

Key noun - An explanatory list of the symbols on a map or chart.

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Introduction and key are semantically related in admittance topic. Sometimes you can use "Introduction" instead a noun "Key".

Nearby Words: keyed, keyboard, keying

old	old introduction	old key
musical	musical introduction	musical key
special	special introduction	special key
similar	similar introduction	similar key
Other adjectives: separate, standard, original, proper, actual, real, big, bad, new, unique, possible, last, different, aforementioned.

Tchaikovsky's fifth symphony begins with a a slow, funereal introduction in a minor key.

Source: Epic Instrumental Opener
There's the series main theme, Into the Wilderness, which plays once or twice at key moments in each game, usually the ending or introduction.

Source: Leitmotif / Video Games
Upon their first introduction they were nothing short of revolutionary, and the Autobahnen were a key Nazi propaganda success (even though the idea had been around since the 1920s).

Source: Futuristic Superhighway

Cite this Source

Key and Introduction. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/introduction/key

Introduction & Key. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/introduction/key>.

Key or Introduction. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/introduction/key.

Google Ngram Viewer shows how "introduction" and "key" have occurred on timeline