What is folk tune ?
what is child right?
what is topography?

1.

a folk tune

Folk music is a music genre that includes traditional folk music and the contemporary genre that evolved from the former during the 20th-century folk revival. Some types of folk music may be called world music.

2.the childs right is

Children's rights are a subset of human rights with particular attention to the rights of special protection and care afforded to minors.

3.topogrhapy is

the arrangement of the natural and artificial physical features of an area.

"the topography of the island"

a detailed description or representation on a map of the natural and artificial features of an area.

plural noun: topographies

ANATOMY•BIOLOGY

the distribution of parts or features on the surface of or within an organ or organism.