Rax means Barracks, it is used as a short hand by people discussing the game

Ref is short had for Ore Refinary when talking aminly about build orders in Cnc Games

PP is a short hand way of writing power plant in the command and conquer games.

Micro is a shortened phrase used when refering to the micromanagement of a players units in an RTS game.

This means controlling an individual unit, rather than allowing the AI to take over and control the unit, or selecting a group and getting them to attack at once. Microing may also mean using more often advanced control methods on a unit.

Microing should increase unit effectiveness and reduce losses.

Micromanagement will take up a alot of your concentration power and time. As a general rule you should be spending a considerably longer time controlling your units in battles than managing your base.

Over microing can also be an issue, re-issueing orders that have already been sent may cause the unit to miss/stop firing for a brief period of time.

Steamrollered refers to a situation where you are unable to defend against an oppositions attack. The phrase is used theb playing team games in FPS games and also when talking about being attacked by and enemys army in a RTS game.

This will often happen in a RTS game when the person getting steamrollered has not built enough units to counter an attack from the opposition.

Focus Fire means to select all your units and fire them at one target. This may be used to destroy a particular unit before it can kill ones own. It mabe a more efficient way of taking out an opponents unit than firing 1 on 1.

A build order is a term used in RTS games, and, refers to how you spend your initial starting cash.

What you spend this money on significantly impacts how you play the rest of the game from that point on. There should be no single perfect build order,but this all depends on how well the game is ballanced.bInstead, there should  be a variety of build orders and many subtle variations of each that can be used. A build order is literally the order in which you build things.

From this order you should be able to tell what strategy your opponent will be using, likewise, if you can see what your opponent is building, you can predict what he is planning to do, and you can adapt to counter it accordingly

Command & Conquer: Red Alert 3 is a 2008 real-time strategy video game developed by EA Los Angeles and published by Electronic Arts.
It was released on 28th October 2008 for Microsoft Windows-based PCs and three days later in Europe. A version for the Xbox 360 console is forthcoming, as is a version for PlayStation 3, though this has been delayed due to difficulties with programming.

The game is set in a parallel universe in which World War II never happened and the Soviet Union and Empire of the Rising Sun rose instead as a threat in the 1950s. All three factions are playable, with the main gameplay involving constructing a base, gathering resources and training armies comprised of land, sea and airbourne units to defeat other players. Each faction has a fully co-operative campaign, playable with an Artificial Intelligence or with another human player via LAN or online. These campaigns follow a story, with specific mission objectives and unit restrictions applied. Unrestricted skirmish play against the computer and multiplayer via LAN or online is also available.

The game received largely positive reviews, with reviewers citing the co-operative and multiplayer components as strengths, along with the enhanced role of naval combat compared to other real-time strategy games.

The main focus of the game acourding to executive producer of Red Alert 3, Chris Corry, is that the game will further differentiate the playable factions from each other and “play up the silliness in their faction design whenever possible”. In this new game, old units are fused with new units and the graphics have been given a huge boost, taking on a more cartoon/anime style.

Take a look at this Red Alert 3 site.

Command & Conquer: Red Alert 2 is a real-time strategy computer game by Westwood Studios, which was released for Microsoft Windows on September 28, 2000 as the follow up to Command & Conquer: Red Alert. Set in the early 1970s,Red Alert 2 supposedly picks up at the conclusion of the Allied campaign of the first game, but this has been subject to debate.

Command and Conquer: Red Alert 2 contains 2 playable factions, Soviets and Allies which both previously appeared in Command & Conquer: Red Alert. Red Alert 2′s single player campaign is structured in an alternate-ending mode as opposed to a progressive story mode.

Red Alert 2 proved to be a success with critics.

Red Alert 2 also had an Online Multiplayer mode which proved very popular with RTS gamers.

Command & Conquer: Red Alert is a real-time strategy computer game, produced by Westwood Studios and released by Virgin Interactive in 1996. The second game to bear the CnC  title, Red Alert is the prequel to the original Command & Conquer of 1995, and takes place in the early history of the alternate universe of Command & Conquer when Allied Forces battle an aggressive Soviet Union for control over the European mainland. On Sunday, August 31, 2008, EA officially rendered Command & Conquer: Red Alert freeware.