SAFE_REFRESH:? safe mode?
USE_TRIPLE_BUFFER:?
USE_WIDESCREEN: widescreen or regular
SUBTITLES:?
MORALE:true for morale false for no morale or nearl unroutable troops
FATIGUE:determines wether your men will tire or not on the battlefield
LIMITED_AMMO:limit the ammo or unlimited ammo
SUPPLY:? I don't think that's even an implemented feature
FOG_OF_WAR:turns fog of war on and off
RESTRICT_CAMERA:restrict the camera to being stretched adistance away from the nearest troop or free camera of the whole battlefield
DEFAULT_BATTLE_CAMERA:in game option
EVENT_CUTSCENES:kills the cutscenenes of generals death and battering ram scenes
SMOKE:turns smoke on and off
DESYNC: from here to detailed unit shadows i believe is accessable in video options
SPLASHES:
GLINTS:
REFLECTIONS:
SHADOWS:
VEGETATION:
DETAILED_UNIT_SHADOWS:
GLOSS_MAPPING:
STENCIL_SHADOWS:
MULTI_TEXTURE:
AUTO_SAVE:turn on for a save everytime you hit end turn
SHOW_BANNERS:turns on and off a units banners on the field
UNIT_SIZE:160 the biegger the better graphical option selection
MASTER_VOL:100 from here to music volume can be selected under in game audio
SPEECH_VOL:100
SFX_VOL:100
MUSIC_VOL:70
CAMERA_ROTATE:1 in game option
CAMERA_MOVE:34 in game option
CAMERA_FOV:75.000000 ingame option
ENABLE_AUDIO:TRUE sound on sound off
ENABLE_MUSIC:TRUE from here to minimal UI is self explanatory or selectable in game
ENABLE_UNIT_SPEECH:TRUE
DISABLE_BACKGROUND_FMV:FALSE
DISABLE_ARROW_MARKERS:FALSE
AUDIO_3D_PROVIDER:Miles Fast 2D Positional Audio
CLOUD_TRANSITIONS:TRUE
GRASS_DISTANCE:75
AA_QUALITY:AA_HIGH
STRATEGY_RESOLUTION:1024x768
STRATEGY_32_BIT:TRUE
BATTLE_RESOLUTION:1024x768
BATTLE_32_BIT:TRUE
UNIT_DETAIL:SUPER_HIGH
BUILDING_DETAIL:ULTRA_HIGH
TGA_CAPTURE_WIDTH:1024
TGA_CAPTURE_ASPECT:1.333333
TGA_CAPTURE_INPUT_SCALE:1
TGA_CAPTURE_RESERVE_SPACE:FALSE
LABEL_CHARACTERS:FALSE
LABEL_SETTLEMENTS:TRUE
MINIMAL_UI:TRUE Removes the interface you see at the bottom
CAMPAIGN_MAP_MAX_SCROLL_SPEED_MIN_ZOOM:30
CAMPAIGN_MAP_MAX_SCROLL_SPEED_MAX_ZOOM:30
FIRST_TIME_PLAY:FALSE
ADVISOR_VERBOSITY:0
MUTE_ADVISOR:FALSE
BLIND_ADVISOR:FALSE
CAMPAIGN_MAP_CAMERA:FOLLOW_AI_FACTIONS
CAMPAIGN_MAP_SPEED_UP:FALSE
CAMPAIGN_MAP_GAME_SPEED:99
DISABLE_EVENTS:0
MICROMANAGE_ALL_SETTLEMENTS:TRUE
ADVANCED_STATS_ALWAYS:FALSE
UNIT_USE_SHADERS:TRUE
TERRAIN_QUALITY:HIGH
EFFECT_QUALITY:HIGHEST
VEGETATION_QUALITY:HIGH
KEYSET:0
UNLIMITED_MEN_ON_BATTLEFIELD:FALSE
CAMPAIGN_MAP_CAMERA_SMOOTHING:TRUE
CHAT_MSG_DURATION:10
USE_QUICKCHAT:FALSE
GS_PIDS:FALSE
GS_PIDS_FULL:FALSE
GS_PIDS_CUR:TRUE
ALWAYS_LOGFILE:FALSE
TIMESTAMP_LOGFILE:TRUE

I filled an explanation for most of them nd most of its self explanitory so ask away on what is you want know that's not there