What.are the guidelines for the construction of good table (any four)?

Following are the guidelines for the construction of good table
(i) Heading Headings should generally be written in the singular form. For example, in the columns indicating goods, the word ‘good’ should be used.
(ii) Abbreviations Use of abbreviations should be avoided in the heading or sub-headings of the table.
(iii) Footnote Footnote should be given, only if needed.
(iv) Size of Table Size of table should be in accordance with the size of the paper.