Open-source multiplayer game server compatible with the RuneScape client https://www.openrs2.org/

Glossary

Jagex name	RSPS community name(s)	Description
	V1	A middle-endian byte order used on Honeywell Series 16 computers
Alt3	V2	A middle-endian byte order used on PDP-11 computers
Ap		An op that trigers when you approach (rather than reach) the target
Area		A 104x104x4 group of tiles
BAS	Stance	Base animation set
CS1		Client script version 1
CS2		Client script version 2
Coord	Position
Entity	Animable, Renderable
Enum
Flo		Floor overlay
Flu		Floor underlay
GoSubFrame	StackFrame
IDK	IdentityKit	Identikit
Inv	Inventory
JS5		Jagex store version 5?
Loc	Object
MSI		Map scenery icon
MapSquare	Map	A 64x64x4 group of tiles
Mel		Map element
MultiLoc		Transforms a loc into another based on a varp or varbit
MultiNPC		Transforms an NPC into another based on a varp or varbit
Obj	Item
ObjStack	GroundItem
Op	Option, Action	Operation
Packet	Buffer, Stream
Packet.Bit		Extends the underlying buffer type with ISAAC encryption and bit packing
PathingEntity	Character, Entity, Mob	A player or NPC
Seq	Animation	Sequence
Skill	Skill	A type of skill
Smart		A data type encoded as a shorter or longer type for bandwidth efficiency
SpotAnim	Graphic	Spot animation, a combination of a model and a sequence
Stat		The player's base level, boosted level and experience in a particular skill
StockMarket		Grand exchange
Struct
Varbit	ConfigByFile	Player bit variable
Varc		Client variable
Varcstr		Client string variable
Varp	Config	Player variable
Zone	Region	An 8x8x1 group of tiles

Loc layers