货（客）运量 指在一定时期内，各种运输工具实际运送的货物（旅客）数量。是反映运输业为国民经济和人民生活服务的数量指标，也是制定和检查运输生产计划，研究运输发展规模和速度的重要指标。货运按吨计算，客运按人计算。货物不论运输距离长短，货物类别，均按实际重量统计；旅客不论行程远近或票价多少，均按一人一次作为客运量统计。半价票，小孩票也按一人统计。     货物（旅客）周转量 指在一定时期内，由各种运输工具运送的货物（旅客）数量与其相应运输距离的乘积之总和。是反映运输业生产总成果的重要指标，也是编制和检查运输生产计划，计算运输效率、劳动生产率以及核算运输单位成本的主要基础资料。通常以吨公里和人公里为计算单位。计算货物周转量通常按发出站与到达站之间的最短距离，也就是计费距离计算。     邮电业务总量 指以货币表现的邮电部门用于传递信息和提供其他邮电服务的总数量。它综合反映了一定时期邮电工作的总成果，是研究邮电业务量构成和发展趋势的重要指标。根据邮电管理体制不同，分为中央国营业务总量和地方国营业务总量。它用各种邮电分类业务量，如函件件数、电报份数、长话张数、市内电话和农村电话的年均户数、订销报刊累计份数等，分别乘以相应的平均单价（不变价），加总后再加上出租电路和设备的收入、代用户维护电话交换机和线路等设备的收入、其他业务收入求得。     电话用户 指接入国家公众固定电话网，并按固定电话业务进行经营管理的电话用户。1997年以前，电话用户分为市内电话用户和农村电话用户。市内电话用户是指接入县城及县以上城市电话网上的电话用户；农村电话用户是指接入县邮电局农话台及县以下农村电话交换点，以县城为中心（除市话用户外）联通县、乡（镇）、行政村、村民小组的用户。从1997年起，电话用户数分组调整为以用户所在区域划分为"城市电话用户"和"乡村电话用户"，与过去的按市内电话和农村电话划分方法不同。而电话用户数、电话机部数统计方法不变。     住宅电话 指话机装在居民住宅里的电话。它包括私人付费、公费和免费三个部分。 无线寻呼电话用户 指携带小型寻呼机，接收市话用户通过无线寻呼中心，在规定范围内向其发出声音、数字或文字显示信息的用户。目前,在邮电部门办理登记手续的无线寻呼电话用户，每一部寻呼机按一户计算。     移动电话用户 指在邮电部门登记，通过移动电话交换机进入移动电话网、占有移动电话号码的电话用户。用户数量以实际办理登记手续进入邮电部门移动电话网的户数进行计算，一部或一台移动电话统计为一户。      Freight (Passenger) Traffic refers to the volume of freight (passenger) transported with various means. Freight transport is calculated in tons and passenger traffic is calculated in the number of persons. Despite the type of freight and traveling distance, the freight transport is calculated in the actual weight of the goods: and despite the traveling distance and ticket price, the passenger traffic is calculated by the principle that one person can be counted only once in one travel. The passenger who travels with a half-price ticket or a child ticket is also calculated as one person. The freight (passenger) traffic provides a quantitative measure to show how the transport industry serves the national economy and people, and is also and important indicator for planning the transport industry and for studying the development scale and speed of the transport industry.     Freight Ton-kilometers (Passenger-kilometers) refer to the sum of the products of the volume of transported cargo (passengers) multiplying by the transport distance, usually using ton-kilometer and passenger-kilometer as units for measurement. Normally, the shortest distance between the departure station and the destination station (i.e., the payable distance) is the basis to calculate the freight ton-kilometers. This is an important indicator to show the total results of the transport industry, to prepare and examine the transport plan and to measure the efficiency, the labour productivity and the unit cost of transport.     Business Volume of Postal and Telecommunication Services refers to the total amount of the information delivered and other post and telecommunications services provided by the post and telecommunications departments for the customers. It is derived by first multiplying the business volume of different types, such as number of letters, long distance calls, city and rural telephone subscribers and accumulated number of newspapers and journals subscribed and sold, etc. by their respective average unit price (fixed price) and then adding these products together: plus the income from maintenance of telephone exchanges and lines, and the income from other business operations. The business volume of post and telecommunications indicates the total achievements made by the post and telecommunications department during a given period of time in a comprehensive way, and is an important indicator to study the composition and development of the post and telecommunications business.     Telephone Subscribers refer to subscribers that are connected in the public line telephone network provided with telephone services. Before 1997, telephone subscribers were classified as city subscribers and village subscribers. City subscribers referred to those connected to city telephone networks in county towns and cities, while village subscribers referred to those connected to village telephone stations at and below counties. Since 1997, the classification of telephone subscribers was modified on the basis of physical location of the subscribers as "urban telephone subscribers" and "rural telephone subscribers", which is different from the previous classification of categorizing "local telephones" and "rural telephones", while the definition of total subscribers and total number of telephones remain unchanged.     Household Telephone Subscribers refer to telephone sets installed in resident dwellings, including those with telephone charges paid by individuals, by public units and free of charge. Subscribers of Paging Services refer to subscribers who carry small size pagers and receive audio signals, digital signals or literal signals sent out by city telephone through wireless paging center within assigned area. Each pager is counted as a subscriber.     Mobile Telephone Subscribers refer to the persons who own mobile telephone number connected with the mobile telephone communication network and registered by post and telecommunications organization. The number of subscribers is calculated only when the subscribers who have gone through all the register formalities and entered into the mobile telephone network. One mobile telephone is treated as a subscriber.