Wireless telephones are often referred to by various synonyms that people use as per their convenience and understanding. Some common synonyms for wireless telephones include cordless phones, mobile phones, cell phones, smartphones, or simply mobiles. Cordless phones usually operate within a limited range and need to be in proximity to a charger, while mobile phones are portable devices that work on cellular networks. Smartphone is a more advanced version of the mobile phone that offers various features such as internet access, cameras, and multimedia support. The use of these synonyms depends on the specific context within which they are used, but they all refer to the same basic device - a telephone that operates wirelessly.