diff --git a/src/epd1in54/mod.rs b/src/epd1in54/mod.rs
index 2aaac76..00d00b5 100644
--- a/src/epd1in54/mod.rs
+++ b/src/epd1in54/mod.rs
@@ -108,11 +108,11 @@ where
     RST: OutputPin,
     Delay: DelayUs<u16> + DelayMs<u16>,
 {
-    fn get_width(&self) -> u16 {
+    fn width(&self) -> u16 {
         WIDTH
     }
 
-    fn get_height(&self) -> u16 {
+    fn height(&self) -> u16 {
         HEIGHT
     }
 
diff --git a/src/epd2in9/mod.rs b/src/epd2in9/mod.rs
index 80014c9..080f795 100644
--- a/src/epd2in9/mod.rs
+++ b/src/epd2in9/mod.rs
@@ -113,11 +113,11 @@ where
     RST: OutputPin,
     Delay: DelayUs<u16> + DelayMs<u16>,
 {
-    fn get_width(&self) -> u16 {
+    fn width(&self) -> u16 {
         WIDTH
     }
 
-    fn get_height(&self) -> u16 {
+    fn height(&self) -> u16 {
         HEIGHT
     }
 
@@ -187,23 +187,6 @@ where
         self.interface.command(Command::NOP)
     }
 
-    fn update_and_display_frame(&mut self, buffer: &[u8]) -> Result<(), ERR> {
-        self.update_frame(buffer)?;
-        self.display_frame()
-    }
-
-    fn update_and_display_partial_frame(
-        &mut self,
-        buffer: &[u8],
-        x: u16,
-        y: u16,
-        width: u16,
-        height: u16,
-    ) -> Result<(), ERR> {
-        self.update_partial_frame(buffer, x, y, width, height)?;
-        self.display_frame()
-    }
-
     fn clear_frame(&mut self) -> Result<(), ERR> {
         self.use_full_frame()?;
 
diff --git a/src/epd4in2/mod.rs b/src/epd4in2/mod.rs
index 76d463e..1b5ad9e 100644
--- a/src/epd4in2/mod.rs
+++ b/src/epd4in2/mod.rs
@@ -291,11 +291,11 @@ where
         &self.color
     }
 
-    fn get_width(&self) -> u16 {
+    fn width(&self) -> u16 {
         WIDTH
     }
 
-    fn get_height(&self) -> u16 {
+    fn height(&self) -> u16 {
         HEIGHT
     }
 
diff --git a/src/interface/mod.rs b/src/interface/mod.rs
index 7fa6b8f..dc8bbb6 100644
--- a/src/interface/mod.rs
+++ b/src/interface/mod.rs
@@ -9,12 +9,14 @@ use color::Color;
 /// Interface for the physical connection between display and the controlling device
 pub(crate) mod connection_interface;
 
+
 /// All commands need to have this trait which gives the address of the command
 /// which needs to be send via SPI with activated CommandsPin (Data/Command Pin in CommandMode)
 pub(crate) trait Command {
     fn address(self) -> u8;
 }
 
+
 //TODO: add LUT trait with set_fast_lut and set_manual_lut and set_normal_lut or sth like that?
 // for partial updates
 trait LUTSupport<ERR> {
@@ -23,6 +25,7 @@ trait LUTSupport<ERR> {
     fn set_lut_manual(&mut self, data: &[u8]) -> Result<(), ERR>;
 }
 
+
 pub(crate) trait InternalWiAdditions<SPI, CS, BUSY, DC, RST, Delay, ERR>
 where
     SPI: Write<u8>,
@@ -64,27 +67,7 @@ where
         spi: SPI, cs: CS, busy: BUSY, dc: DC, rst: RST, delay: Delay,
     ) -> Result<Self, ERR>
     where
-        Self: Sized;
-
-    // TODO: add this abstraction function
-    /// Loads a full image on the EPD and displays it
-    fn update_and_display_frame(&mut self, buffer: &[u8]) -> Result<(), ERR> {
-        self.update_frame(buffer)?;
-        self.display_frame()
-    }
-
-    /// Loads a partial image on the EPD and displays it
-    fn update_and_display_partial_frame(
-        &mut self,
-        buffer: &[u8],
-        x: u16,
-        y: u16,
-        width: u16,
-        height: u16,
-    ) -> Result<(), ERR> {
-        self.update_partial_frame(buffer, x, y, width, height)?;
-        self.display_frame()
-    }   
+        Self: Sized;  
 
     /// Let the device enter deep-sleep mode to save power.
     ///
@@ -104,19 +87,17 @@ where
     fn background_color(&self) -> &Color;
 
     /// Get the width of the display
-    fn get_width(&self) -> u16;
+    fn width(&self) -> u16;
 
     /// Get the height of the display
-    fn get_height(&self) -> u16;
+    fn height(&self) -> u16;
 
     /// Abstraction of setting the delay for simpler calls
     ///
     /// maximum delay ~65 seconds (u16:max in ms)
     fn delay_ms(&mut self, delay: u16);
 
-    // void DisplayFrame(const unsigned char* frame_buffer);
-    /// Transmit a full frame to the SRAM of the DPD
-    ///
+    /// Transmit a full frame to the SRAM of the EPD
     fn update_frame(&mut self, buffer: &[u8]) -> Result<(), ERR>;
 
     /// Transmits partial data to the SRAM of the EPD