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.
From an investment point of view, commercial real estate encompasses any kind of property, including land, which brings or has the potential to bring income. From a business point of view, commercial real estate is any offering of office, retail, industrial, medical, hospitality, and other commercial space that can be leased (and sometimes bought) for the use of the business.