Through observing step by step process of how others work provides different perspectives on the approach of animating. It is useful to build upon the knowledge of other software, the effectiveness and efficiency of producing.
The above video is by the YouTuber Toniko Pantoja and in the making of this shot, he describes the stages from concept design, how he produces the key frames to colouring, lighting and compositing the final product.
His methods of key framing and drawing the in between frames are helpful in applying them in my own drawings.
The link below is also helpful in analysing the character movements, to create better forms of movement that imparts a more accurate portrayal of life.