Forex Tick Data

forex
The market in which participants are able to buy, sell, exchange and speculate on currencies. The forex markets is made up of banks, commercial companies, central banks, investment management firms, hedge funds, and retail forex brokers and investors.
The foreign exchange (also known as "forex" or "FX") market is the place where currencies are traded. The overall forex market is the largest, most liquid market in the world with an average traded value that exceeds $1.9 trillion per day and includes all of the currencies in the world.
Foreign exchange
The foreign exchange market (forex, FX, or currency market) is a worldwide decentralized over-the-counter financial market for the trading of currencies.

tick
click: make a clicking or ticking sound; "The clock ticked away"
a metallic tapping sound; "he counted the ticks of the clock"
On credit
any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals

data
The quantities, characters, or symbols on which operations are performed by a computer, being stored and transmitted in the form of electrical signals and recorded on magnetic, optical, or mechanical recording media
Facts and statistics collected together for reference or analysis
Things known or assumed as facts, making the basis of reasoning or calculation
a collection of facts from which conclusions may be drawn; "statistical data"
The term data refers to groups of information that represent the qualitative or quantitative attributes of a variable or set of variables.
A data segment is one of the sections of a program in an object file or in memory, which contains the global variables and static variables that are initialized by the programmer. It has a fixed size, since all of the data in this section is set by the programmer before the program is loaded.