Eaves are usually large and overhanging. Small ranch house plans tend to be simple rectangles; but there are larger designs which can be have L or U shapes surrounding a courtyard in the center visible from the living areas. Frequently there are sliding glass doors which open onto patios, or large picture windows in the living and dining areas. The design often includes an attached garage as well as patio area. Also, the exteriors are usually of brick, wood, or stucco with simple or rustic interior décor and exterior trim.
Kitchens : Sleek with clean lines are still on trend for your modern home plans when it comes to kitchens, maximising storage and creating a great flow of the kitchen to the dining area are still also key, however smaller butlers pantries are becoming more popular allowing you open storage and a second preparation area whilst also being able to close it off of the main kitchen area when entertaining.
Ranch style architecture originated in the United States in the 1920's, and it became very popular after World War II as cities expanded into suburbs and inexpensive tract homes were needed by a growing populace. Ranch style houses are most popular where land is inexpensive and the weather is mild, since these homes particularly lend themselves to outdoor living. The low, earth hugging look with clean, modern lines of the ranch style is derived from Frank Lloyd Wright's prairie style architecture.
Given their professional experience in house designing, it can be helpful to hear why certain elements will and will not work as you may envision. Your architect will be able to show you 3D walk through plans too. This can be useful exercise to examine sun patterns at different times of day and get a feel for the scale of your future modern home.