Speech disorder. Main article: Speech and language pathology. Speech disorders or speech impediments are a type of communication disorder where 'normal' speech is disrupted. This can mean stuttering, lisps, etc. Someone who is unable to speak due to a speech disorder is considered mute.
Commercial Real Estate Classifications. Commercial real estate is categorized into different classes. Office space, for example, is divided into one of three classes: class A, class B or class C. Class A represents the best buildings in terms of aesthetics, age, quality of infrastructure and location.
The most glaring difference between a residential and a commercial property is that the residential property is one that is used solely for living such as bungalows, apartments, condos, and cooperative societies. It is thus clear that a property where a person lives in is called a residential property.