UnityUI

https://learn.unity.com/project/creative-core-ui?uv=2020.3

Text

• Right click in Hierarchy - UI - Text-TextMeshPro
• Change object name - Text (TMP) > Custom text
• you can find good font in fonts.google.com
• window > TextMeshPro > Font Asset Creator > Set Source Font File > Generate Font Atlas >Set Custom TMP_Font_Asset in TextMeshPro - Text (UI) component (in text object)
• Set Aspect ratio 16:9, 16:9 is the standard widescreen ratio, so it’s the safest option.

Button

• Hierarchy > UI > Button - TextMeshPro
• HotKey : ViewTool(Q), Move(W), Rotate(E), Scale(R), Rect(T), Transform(Y)
• After selecting an object, you can fix the distance between the anchor and the button position by adjusting the anchor.

Canvas

• Canvas Scaler
  • Constant Pixel Size
  • Scale With Screen Size (v)
  • Constant Physical Size

Button Event

• Inspector > Button > On Click > Drag Object to the empty Object Fields
• Use the function dropdowns, GameObject.SecActive