slipping through my fingers meaning

"Slipping Through My Fingers" is a song written by Björn Ulvaeus and Benny Andersson and recorded by Swedish pop group ABBA from their 1981 album The Visitors, with lead vocals by Agnetha Fältskog. The song is about a mother's regret at how quickly her daughter is growing up, and the lack of time they have spent together, as the girl goes to ... glass in the park meaning