Landforms include such geographical forms as a continent, peninsula, island, or isthmus, and the related hydrological features of oceans, bays, lakes, and rivers. Elements within a landform include...
For running water features one would probably be a delta, and a waterfall.
valleys, hills, mountains, plateaus, cliffs, canyons, and valleys
large forest, rocky cliff, dam.
a landform can be a mountin ,range or a hill.l