Cohorts in Marketing. Similar to demographics, cohorts use quantifiable descriptors to identify target markets. Demographics, however, are the quantifiable descriptors themselves, such as the aforementioned age and household income.
The highest peaks are over 2,000 m (6,600 ft). Beijing Municipality consists of six city districts (previously eight, see Xuanwu and Chongwen), eight suburban districts and two rural counties. It covers a total area of 16,807.8 km2 (6,489.5 sq mi).
Beijing Capital International Airport (IATA: PEK, ICAO: ZBAA) is the main international airport serving Beijing. It is located 32 km (20 mi) northeast of Beijing's city center, in an enclave of Chaoyang District and the surroundings of that enclave in suburban Shunyi District.