You send a lot of snaps to someone they also send a lot of snaps to. ð¬ Grimacing Face â Your #1 best friend is their #1 best friend. You send the most snaps to the same person that they do. Awkward. ð Smirking Face â You are one of their best friends â¦but they are not a best friend of yours.
Freebase(0.00 / 0 votes)Rate this definition: Tetrarchy. The term Tetrarchy describes any form of government where power is divided among four individuals, but in modern usage usually refers to the system instituted by Roman Emperor Diocletian in 293, marking the end of the Crisis of the Third Century and the recovery of the Roman Empire.
A hierarchy (from the Greek á¼±ÎµÏÎ±ÏÏÎ¯Î± hierarchia, rule of a high priest, from á¼±ÎµÏÎ¬ÏÏÎ·Ï hierarkhes, leader of sacred rites) is an arrangement of items (objects, names, values, categories, etc.) in which the items are represented as being above, below, or at the same level as one another. subsumptive containment hierarchy is a classification of objects from the general to the specific. Other names for this type of hierarchy are taxonomic hierarchy and  IS-A hierarchy. The last term describes the relationship between each levelâa lower-level object is a member of the higher class.