entry.view              Display vectors, lists or rows of a data frames
                        in key-value-pairs.
heat.view               Display heatmaps and heatvectors.
tree.view               Display contents of a list of lists in a
                        summarized tree structure.
whos                    Display contents of an evironment, data.frame
                        or list as a summary table
whos.set.mask           Set a default exclusion mask for 'whos'.
wrap.view               Display contents of a vector or list as line
                        wrapped text
