diff --git a/Sources/nCine/Application.cpp b/Sources/nCine/Application.cpp
index 6c4f387a..d52be1cd 100644
--- a/Sources/nCine/Application.cpp
+++ b/Sources/nCine/Application.cpp
@@ -681,7 +681,7 @@ namespace nCine
 #if defined(DEATH_TARGET_WINDOWS)
 			const std::uint64_t clockFreq = static_cast<std::uint64_t>(clock().frequency());
 			const std::uint64_t frameTimeDuration = (clockFreq / static_cast<std::uint64_t>(appCfg_.frameLimit));
-			const std::int64_t remainingTime = (std::int64_t)frameTimeDuration - (std::int64_t)frameTimer_->frameIntervalAsTicks();
+			const std::int64_t remainingTime = (std::int64_t)frameTimeDuration - (std::int64_t)frameTimer_->frameDurationAsTicks();
 			if (remainingTime > 0) {
 				LARGE_INTEGER dueTime;
 				dueTime.QuadPart = -(LONGLONG)((10000000ULL * remainingTime) / clockFreq);
@@ -691,8 +691,8 @@ namespace nCine
 				::CancelWaitableTimer(_waitableTimer);
 			}
 #else
-			const float frameTimeDuration = 1.0f / static_cast<float>(appCfg_.frameLimit);
-			while (frameTimer_->frameInterval() < frameTimeDuration) {
+			const float frameDuration = 1.0f / static_cast<float>(appCfg_.frameLimit);
+			while (frameTimer_->frameDuration() < frameDuration) {
 				Timer::sleep(0);
 			}
 #endif
diff --git a/Sources/nCine/Base/FrameTimer.h b/Sources/nCine/Base/FrameTimer.h
index bc6b5e50..0b43ab92 100644
--- a/Sources/nCine/Base/FrameTimer.h
+++ b/Sources/nCine/Base/FrameTimer.h
@@ -27,16 +27,16 @@ namespace nCine
 		inline unsigned long int totalNumberFrames() const {
 			return totNumFrames_;
 		}
-		/// Returns the interval in seconds between the last two subsequent calls to `addFrame()`
+		/// Returns the last frame duration in seconds between the last two subsequent calls to `addFrame()`
 		inline float lastFrameDuration() const {
 			return frameDuration_;
 		}
-		/// Returns the interval in seconds since the last call to `addFrame()`
-		inline float currentFrameDuration() const {
+		/// Returns current frame duration in seconds since the last call to `addFrame()`
+		inline float frameDuration() const {
 			return frameStart_.secondsSince();
 		}
-		/// Returns the interval in ticks since the last call to `addFrame()`
-		inline uint64_t frameIntervalAsTicks() const {
+		/// Returns current frame duration in ticks since the last call to `addFrame()`
+		inline uint64_t frameDurationAsTicks() const {
 			return frameStart_.timeSince().ticks();
 		}
 		/// Returns the average FPS during the update interval