Cảnh Khởi Đầu -- Startup Scene

After closing the splash, the startup scene is displayed in the 3D Viewport if no other blend-file was loaded. A customized startup scene can be saved as a part of the startup file.

The Startup scene.

Phần Tử -- Elements

Lập Thể -- Cube

The gray cube in the center of the scene is a mesh object. Because the cube is selected it is displayed with an orange outline.

Tọa độ của Vật Thể -- Object Origin

The Origin of the object is displayed as an orange dot and it marks the cube's (relative) position.

Light

The circles with a thin line to the bottom is a light source illuminating the cube. Lights in: General Settings.

Máy Quay Phim -- Camera

The pyramid with a big triangle pointing upward is the camera used as point of view for rendering. See also: cameras in Cycles.

Con Trỏ 3D -- 3D Cursor

The 3D cursor, a cross with a red-and-white circle, is used for placing objects in the scene.

Sàn Đồ Thị -- Grid Floor

The gray squares forming a floor mark the zero height of the world. The red and green lines are the axis of the world coordinate system. They meet at the origin, which is also the position of the Cube. The Grid Floor settings are in the Viewport Overlays popover.

Text Info

The visibility and settings of the overlays can be set in the Viewport Overlays popover.

Tên Khung Nhìn -- View Name

If the viewport camera is not aligned, the view is named "User" plus the perspective of the viewport camera.

Tỷ Lệ Chơi Lại Khung Hình/Giây -- Playback FPS

Displays the Frames Per Second screen rate, while playing an animation back.

Thông Tin Vật Thể -- Object Info

Shown in brackets is the current frame. Followed by the path of the active object. And optionally the selected shape key and in brackets (<>) the Dấu Mốc -- Markers name on the current frame. The color of the Object Info is set by the Màu cho Trạng Thái -- State Colors (keyframe only).