You can give names to layers from rename layer option. In layer styles, there are many options of styles for layers. In blending option, you will find bevel & emboss. Beveling and embossing is a way to create shading and simulate shadows that make your object look three-dimensional. As explained in video, it gives shadow kind of effect. You can change the size of inner, outer, up & down bevel. Apart from this, you can change angle, opacity, patterns etc.
In stroke option, you can set position of stroke inner, outside or center. Also, you can change the color, opacity of stroke. You can add inner shadow from styles option. In that, you can edit blend mode, distance, choke, noise etc.
In Satin style, you can add color to object. You can change the opacity of added color. Using color overlap, you can overlap any color on object. Same way, gradient can be used for overlapping colors. You can make your own gradient. You can change gradient style like radial, linear, diamond etc. Also, we can add patterns on object. You can change scale of them.
To add drop shadow, go to style and choose from it. You can change the shadow color and increase/decrease the distance, too. You will see on bottom side, on layer fx is shown. Which means, you have applied some kind of effects on that layer. You can hide an effect, too.
New fill layer allows you to fill a whole layer with solid color or gradient or pattern in Photoshop.
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