Most kitchen and bathroom designs start with a floor plan. Here is a typical kitchen floor plan:

Fig. 1- Kitchen: Plan View
Once the floor plan is complete, elevations (i.e., head-on views) of the different walls are drawn:

Fig. 2- Kitchen: North Elevation

Fig. 3- Kitchen: South Elevation

Fig. 4- Kitchen: East Elevation

Fig. 5- Kitchen: West Elevation

Fig. 6- Kitchen: Island Elevations
Here is an example of a bathroom floor plan:

Fig. 7- Bathroom: Plan View
Here are the elevations for the same bathroom:

Fig. 8- Bathroom Elevations