This is the display of a record. Clicking once makes it the current one. Double clicking edits it or selects it if you are in selection mode.
This indicates that there is a data block associated to the record. Clicking displays the data block and makes the first record to the current one.
This sign indicates that there is a branch on the right side. Clicking displays the right branch and makes the first record to the current one.
This sign indicates that there is a record on the left side. Clicking displays the left branch and makes the mother record of the current branch to the current record.
This sign indicates that there is a record above. Clicking displays an upper part of the branch and makes the upper record to the current one.
This sign indicates that there is a record below in the branch or data block. Clicking displays a lower part of the branch and makes the lower record to the current one.
This sign indicates that there is a record above in the data block. Clicking displays an upper part of the data block and makes the upper record to the current one.
This sign indicates that there is a record below in the branch. Clicking skips the display of the data block, displays a lower part of the branch and makes the lower record to the current one.
This sign indicates that there is a pointer field defined in the branch. Clicking goes to the record pointed to and makes it the current one or displays a selection list.
This sign indicates that there is a dynamic link defined to this record. Clicking goes to the linked record and makes it the current one or displays a selection list.
This sign indicates that there is a branch on the right side but no real record. You have to insert a record right of the current one to actually go to that branch.