The poet — lyricist Javed Akhtar — describes how a boy feels when he sees a girl [for the first time]: many different ways in which the feelings are expressed, 21 ways to be exact, in 3 stanzas of 7 characterizations each. The song can be translated as
When I saw this girl, she seemed to me like ...
... a blooming rose,
... a poet's dream,
...
Now, enjoy the video as your read the lyrics presented below.