Some of them are perhaps not in Dev Rev 360 since I listed all who are in the next rev but explanations remain the same,
Server main options:
osRoseVer: osRose version... like 81.361
autosave: saving automatically player's data (0=no, 1=yes (default) ),
savetime: if autosave is enabled, the save process will take place each "x" seconds,
Server rates:
exp_rate: experience multiplier,
drop_rate: drop rate in %,
zuly_rate: Zuly multiplier, when you have a Zuly drop its value is multiplied by this number,
Drop options:
pc_drop_zuly: % of chance to have a Zuly drop rather than an item drop,
blue_chance: % of chance to have a blue gear when an item drops,
slot_chance: % of chance to a slot when an item drops,
stat_chance: % of chance to have stat when an item drops,
refine_chance: % of chance to have a refine when an item drops,
Player options:
maxlevel: max level a player can have,
partygap: max difference between two players when they party,
maxstat: max stat a player can have (like STR and so on),
cfmode: 1=cf mode from Junon is opened, 0=closed (NPC Burtland),
Damage control:
player_damage: % attack bonus when a player attacks a monster,
monster_damage: % attack bonus when a monster attacks a player,
Fairy options:
fairymode: 1= fairy mode enabled, 0=disabled,
fairystay: fairy stay time (in minutes)
fairywait: fairy wait time before she's assigned to a new player (in minutes),
fairytestmode: 0=disabled (default), 1=enabled, if disabled, fairywait won't be used,
Union War options:
uwnbplayers: Nb. of players each side should have (minimum) so the Union War can be triggered, see this thread,
You should NOT touch those unless you know what you're doing:
conf: .conf filename for worldserver ("default" by default),
mapdelay: don't touch it.
visualdelay: don't touch it.
worlddelay: don't touch it.
kill_on_fail: not used anymore.
monmax: Nb. of monsters a GM can summon with /mon GM command,
drop_rev: AND drop system (1=enabled, 0=disabled, 1 is default value),
testgrid: enables grid system, much faste than the old one (1=enabled, 0=disabled, 1 is default value),
jrose: not used anymore, let it to 0.
is_pegasus: for internal tests, let it to 0.
rare_refine: not used,
drop_type: not used,
skill_damage: not used,
player_acc: not used,
monster_acc: not used,
pvp_acc: not used,
uwside: who was the last side who won Uwnion War (don't change it),
massexport: special function that exports all AIP and QSD functions to /binary/log/export.log, see this thread (0=disabled (default), 1=enabled),