Use VLOOKUP when lookup values are located in the first column of a table with information organized vertically. Use HLOOKUP when lookup values are located in the first row of a table, and each record appears in a new column. Range_lookup controls whether value needs to match exactly or not.
senescence - the organic process of growing older and showing the effects of increasing age. ageing, aging. catabiosis - normal aging of cells. biological process, organic process - a process occurring in living organisms.
Obsolescence is the state of being which occurs when an object, service, or practice is no longer wanted even though it may still be in good working order. Obsolescence frequently occurs because a replacement has become available that has, in sum, more advantages compared to the disadvantages incurred by maintaining or repairing the original.