a.
(2.5%) What does it mean to "Lock a layer?"? We can luck layer fully or partially to protect their content. We lock a layer fully when we finish with it. we may want to lock a layer partially if it has a correct transparency and style. When the layer is locked a luck icon is appeared to the right of the layer.
b.
(2.5%) How would you create a Layer Group? To create layer group we click the create new group icon (the folder icon)> Also we can create it from layer->new->group
c.
(2.5%) How would you change the stacking order of layers? We drag the layer up or down in the panel .we release that with mouse button when the highlighted line appears.
d.
(2.5%) Mention 2 benefits of a Layer Group? We can do several change such as reduce opacity or change brightness for group of layer. Organize a work with layers.
e.
(2.5%) What is the Fill setting in the layers panels? Control layer transparency. And it affects only the actual contents of layer
f.
(2.5%) What is the importance of Merging layers? Merging layer allow as to work in one layer we do it with ctrl+e