what is build app bundle in Android Studio Flutter code example

Example 1: flutter build android release apk small

flutter build apk --split-per-abi

Example 2: flutter build apk release target arm android

flutter build apk --release --target-platform=android-arm

Example 3: flutter build appbundle

flutter build appbundle

Example 4: flutter sign apk

keytool -genkey -v -keystore c:/Users/USER_NAME/key.jks -storetype JKS -keyalg RSA -keysize 2048 -validity 10000 -alias key

Example 5: flutter build signed bundle --release

flutter build signed bundle --release