French postman in front of St. Joan de Caselles (Andorra, French Administration 1979)

Stamp French postman in front of St. Joan de Caselles it reflects the thematic directions:

The mail or post is a system for physically transporting documents and other small packages; or, the postcards, letters, and parcels themselves. A postal service can be private or public, though many governments place restrictions on private systems. Since the mid-19th century national postal systems have generally been established as government monopolies with a fee on the article prepaid. Proof of payment is often in the form of adhesive postage stamps, but postage meters are also used for bulk mailing. Modern private postal systems are typically distinguished from national postal agencies by the names "courier" or "delivery service". Postal authorities often have functions other than transporting letters. In some countries, a postal, telegraph and telephone (PTT) service oversees the postal system, in addition to telephone and telegraph systems. Some countries' postal systems allow for savings accounts and handle applications for passports.

A tower is a tall structure, taller than it is wide, often by a significant factor. Towers are distinguished from masts by their lack of guy-wires and are therefore, along with tall buildings, self-supporting structures.

The European Conference of Postal and Telecommunications Administrations (CEPT) was established on June 26, 1959, as a coordinating body for European state telecommunications and postal organizations. The acronym comes from the French version of its name Conférence européenne des administrations des postes et des télécommunications.

The Europa postage stamp (also known as Europa - CEPT until 1992) is an annual joint issue of stamps with a common design or theme by postal administrations of member countries of the European Communities (1956-1959), the European Conference of Postal and Telecommunications Administrations (CEPT) from 1960 to 1992, and the PostEurop Association since 1993. Europe is the central theme. EUROPA stamps underlines cooperation in the posts domain, taking into account promotion of philately. They also build awareness of the common roots, culture and history of Europe and its common goals. As such, EUROPA stamp issues are among the most collected and most popular stamps in the world. Since the first issue in 1956, EUROPA stamps have been a tangible symbol of Europe’s desire for closer integration and cooperation.

A building or edifice is a structure with a roof and walls standing more or less permanently in one place, such as a house or factory. Buildings come in a variety of sizes, shapes and functions, and have been adapted throughout history for a wide number of factors, from building materials available, to weather conditions, to land prices, ground conditions, specific uses and aesthetic reasons. Buildings serve several needs of society – primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical division of the human habitat (a place of comfort and safety) and the outside (a place that at times may be harsh and harmful).

A church building, often simply called a church, is a building used for Christian religious activities, particularly worship services. The term in its architectural sense is most often used by Christians to refer to their religious buildings, but it is sometimes used (by analogy) for buildings of other religions. In traditional Christian architecture, the church is often arranged in the shape of a Christian cross. When viewed from plan view the longest part of a cross is represented by the aisle and the junction of the cross is located at the altar area. Towers or domes are often added with the intention of directing the eye of the viewer towards the heavens and inspiring church visitors. Modern church buildings have a variety of architectural styles and layouts; many buildings that were designed for other purposes have now been converted for church use; and, similarly, many original church buildings have been put to other uses. The earliest identified Christian church was a house church founded between 233 and 256. During the 11th through 14th centuries, a wave of building of cathedrals and smaller parish churches occurred across Western Europe. A cathedral is a church, usually Roman Catholic, Anglican, Oriental Orthodox or Eastern Orthodox, housing the seat of a bishop.