| b10 | b16 | field | type | size | bitfield | comments |
| 0 | 0 | spid | long | Shape Identifier. Used in conjunction with the office art data (found via fcDggInfo in the FIB) to find the actual data for this shape. | ||
| 4 | 4 | xaLeft | xa | left of rectangle enclosing shape relative to the origin of the shape | ||
| 8 | 8 | yaTop | ya | top of rectangle enclosing shape relative to the origin of the shape | ||
| 12 | C | xaRight | xa | right of rectangle enclosing shape relative to the origin of the shape | ||
| 16 | 10 | yaBottom | ya | bottom of the rectangle enclosing shape relative to the origin of the shape | ||
| 20 | 14 | fHdr | uns short | :1 | 0001 | 1 in the undo doc when shape is from the header doc, 0 otherwise (undefined when not in the undo doc) |
| bx | uns short | :2 | 0006 | x position of shape relative to anchor CP | ||
| 0 relative to page margin | ||||||
| 1 relative to top of page | ||||||
| 2 relative to text (column for horizontal text; paragraph for vertical text) | ||||||
| 3 reserved for future use | ||||||
| by | uns short | :2 | 0018 | y position of shape relative to anchor CP | ||
| 0 relative to page margin | ||||||
| 1 relative to top of page | ||||||
| 2 relative to text (paragraph for horizontal text; column for vertical text) | ||||||
| wr | uns short | :4 | 01E0 | text wrapping mode | ||
| 0 like 2, but doesn't require absolute object | ||||||
| 1 no text next to shape | ||||||
| 2 wrap around absolute object | ||||||
| 3 wrap as if no object present | ||||||
| 4 wrap tightly around object | ||||||
| 5 wrap tightly, but allow holes | ||||||
| 6-15 reserved for future use | ||||||
| wrk | uns short | :4 | 1E00 | text wrapping mode type (valid only for wrapping modes 2 and 4 | ||
| 0 wrap both sides | ||||||
| 1 wrap only on left | ||||||
| 2 wrap only on right | ||||||
| 3 wrap only on largest side | ||||||
| fRcaSimple | uns short | :1 | 2000 | when set, temporarily overrides bx, by, forcing the xaLeft, xaRight, yaTop, and yaBottom fields to all be page relative. | ||
| fBelowText | uns short | :1 | 4000 | 1 shape is below text | ||
| 0 shape is above text | ||||||
| fAnchorLock | uns short | :1 | 8000 | 1 anchor is locked | ||
| 0 anchor is not locked | ||||||
| 22 | 16 | cTxbx | long | count of textboxes in shape (undo doc only) |
cbFSPA (count of bytes of FSPA) is 26 (decimal), 1A (hex).