diff --git a/OpenRA.Mods.Common/Activities/Move/Move.cs b/OpenRA.Mods.Common/Activities/Move/Move.cs
index afa1f55024..157c4321fb 100644
--- a/OpenRA.Mods.Common/Activities/Move/Move.cs
+++ b/OpenRA.Mods.Common/Activities/Move/Move.cs
@@ -392,18 +392,18 @@ namespace OpenRA.Mods.Common.Activities
 			protected readonly int ArcToLength;
 			protected readonly WAngle ArcToAngle;
 
-			protected readonly int MoveFractionTotal;
-			protected int moveFraction;
+			protected readonly int Distance;
+			protected int progress;
 
-			public MovePart(Move move, WPos from, WPos to, WAngle fromFacing, WAngle toFacing, int startingFraction)
+			public MovePart(Move move, WPos from, WPos to, WAngle fromFacing, WAngle toFacing, int carryoverProgress)
 			{
 				Move = move;
 				From = from;
 				To = to;
 				FromFacing = fromFacing;
 				ToFacing = toFacing;
-				moveFraction = startingFraction;
-				MoveFractionTotal = (to - from).Length;
+				progress = carryoverProgress;
+				Distance = (to - from).Length;
 				IsInterruptible = false; // See comments in Move.Cancel()
 
 				// Calculate an elliptical arc that joins from and to
@@ -436,11 +436,11 @@ namespace OpenRA.Mods.Common.Activities
 			public override bool Tick(Actor self)
 			{
 				var mobile = Move.mobile;
-				moveFraction += mobile.MovementSpeedForCell(self, mobile.ToCell);
+				progress += mobile.MovementSpeedForCell(self, mobile.ToCell);
 
-				if (moveFraction >= MoveFractionTotal)
+				if (progress >= Distance)
 				{
-					moveFraction = MoveFractionTotal;
+					progress = Distance;
 					mobile.SetCenterPosition(self, To);
 					mobile.Facing = ToFacing;
 
@@ -451,19 +451,19 @@ namespace OpenRA.Mods.Common.Activities
 				WPos pos;
 				if (EnableArc)
 				{
-					var angle = WAngle.Lerp(ArcFromAngle, ArcToAngle, moveFraction, MoveFractionTotal);
-					var length = int2.Lerp(ArcFromLength, ArcToLength, moveFraction, MoveFractionTotal);
-					var height = int2.Lerp(From.Z, To.Z, moveFraction, MoveFractionTotal);
+					var angle = WAngle.Lerp(ArcFromAngle, ArcToAngle, progress, Distance);
+					var length = int2.Lerp(ArcFromLength, ArcToLength, progress, Distance);
+					var height = int2.Lerp(From.Z, To.Z, progress, Distance);
 					pos = ArcCenter + new WVec(0, length, height).Rotate(WRot.FromYaw(angle));
 				}
 				else
-					pos = WPos.Lerp(From, To, moveFraction, MoveFractionTotal);
+					pos = WPos.Lerp(From, To, progress, Distance);
 
 				if (self.Location.Layer == 0)
 					pos -= new WVec(WDist.Zero, WDist.Zero, self.World.Map.DistanceAboveTerrain(pos));
 
 				mobile.SetCenterPosition(self, pos);
-				mobile.Facing = WAngle.Lerp(FromFacing, ToFacing, moveFraction, MoveFractionTotal);
+				mobile.Facing = WAngle.Lerp(FromFacing, ToFacing, progress, Distance);
 				return false;
 			}
 
@@ -477,8 +477,8 @@ namespace OpenRA.Mods.Common.Activities
 
 		class MoveFirstHalf : MovePart
 		{
-			public MoveFirstHalf(Move move, WPos from, WPos to, WAngle fromFacing, WAngle toFacing, int startingFraction)
-				: base(move, from, to, fromFacing, toFacing, startingFraction) { }
+			public MoveFirstHalf(Move move, WPos from, WPos to, WAngle fromFacing, WAngle toFacing, int carryoverProgress)
+				: base(move, from, to, fromFacing, toFacing, carryoverProgress) { }
 
 			static bool IsTurn(Mobile mobile, CPos nextCell, Map map)
 			{
@@ -511,7 +511,7 @@ namespace OpenRA.Mods.Common.Activities
 							Util.BetweenCells(self.World, mobile.ToCell, nextCell.Value.Cell) + (toSubcellOffset + nextSubcellOffset) / 2,
 							mobile.Facing,
 							map.FacingBetween(mobile.ToCell, nextCell.Value.Cell, mobile.Facing),
-							moveFraction - MoveFractionTotal);
+							progress - Distance);
 
 						mobile.FinishedMoving(self);
 						mobile.SetLocation(mobile.ToCell, mobile.ToSubCell, nextCell.Value.Cell, nextCell.Value.SubCell);
@@ -530,7 +530,7 @@ namespace OpenRA.Mods.Common.Activities
 					toPos + toSubcellOffset,
 					mobile.Facing,
 					mobile.Facing,
-					moveFraction - MoveFractionTotal);
+					progress - Distance);
 
 				mobile.EnteringCell(self);
 				mobile.SetLocation(mobile.ToCell, mobile.ToSubCell, mobile.ToCell, mobile.ToSubCell);
@@ -540,8 +540,8 @@ namespace OpenRA.Mods.Common.Activities
 
 		class MoveSecondHalf : MovePart
 		{
-			public MoveSecondHalf(Move move, WPos from, WPos to, WAngle fromFacing, WAngle toFacing, int startingFraction)
-				: base(move, from, to, fromFacing, toFacing, startingFraction) { }
+			public MoveSecondHalf(Move move, WPos from, WPos to, WAngle fromFacing, WAngle toFacing, int carryoverProgress)
+				: base(move, from, to, fromFacing, toFacing, carryoverProgress) { }
 
 			protected override MovePart OnComplete(Actor self, Mobile mobile, Move parent)
 			{