Here's a breakdown:

* Glaciers are large masses of ice that move slowly over land. As they move, they carve out valleys, pick up rocks and soil, and transport them.

* Moraines are the piles of debris (rocks, soil, sand) that glaciers leave behind as they melt or retreat.

There are different types of moraines, each formed in a specific way:

* Lateral moraines: These form along the sides of a glacier, where the ice scrapes against the valley walls.

* Medial moraines: These form when two glaciers merge, and their lateral moraines join together in the middle.

* Terminal moraines: These are the largest and most prominent moraines, marking the furthest extent of a glacier. They form at the glacier's snout, where it melts and deposits its load of debris.

* Recessional moraines: These form as a glacier retreats in stages, leaving behind smaller moraines at various points along its path.

Moraines are important geological features that can tell us a lot about the history of glaciers and the landscape they have shaped.