In Bloc, BlElementObject << #BlElement
traits: {TBlTransformable + TBlEventTarget + TBlDebug};
slots: {
#spaceReference .
#parent .
#children .
#bounds .
#measuredBounds .
#boundsCache .
#eventDispatcher .
#constraints .
#layout .
#transformation .
#taskQueue .
#errorHandler .
#userData .
#visuals .
#flags .
#theme };
tag: 'Core';
package: 'Bloc'
is the the root class of all visual elements and the main unit of composition.