diff --git a/klyban.py b/klyban.py
index e97d62d..c8452ba 100644
--- a/klyban.py
+++ b/klyban.py
@@ -2,29 +2,48 @@ import sys
 
 import agate
 import click
+import tabulate
 
 # Global group holding global options.
 @click.group()
-@click.option('-i', '--input', default='.klyban.csv', type=click.Path(writable=True, readable=True, allow_dash=True))
+@click.option('-i', '--input', help="CSV data file.", default='.klyban.csv', type=click.Path(writable=True, readable=True, allow_dash=True))
+@click.option('--status-key', help="Header key defining the status of items.", default='STATUS', type=str)
+@click.option('--status-list', help="Comma-separated, ordered list of possible values for the status of items.", default='TODO,DOING,HOLD,DONE', type=str)
 @click.pass_context
-def cli(context,input):
+def cli(context, input, status_key, status_list):
     # ensure that context.obj exists and is a dict (in case `cli()` is called
     # by means other than the `if` block below)
     context.ensure_object(dict)
     context.obj['input'] = input
+    context.obj['status_key'] = status_key
+    context.obj['status_list'] = status_list.split(',')
 
 
 @cli.command()
 @click.pass_context
 def show(context):
+    """Show the kanban."""
+
+    # Automagically manages standard input if input=="-", thanks to allow_dash=True.
     with click.open_file(context.obj['input'], mode='r') as fd:
         table = agate.Table.from_csv(fd)
 
-    table.print_table(output = sys.stdout)
+    tables = table.group_by(context.obj['status_key'])
+    for k in context.obj['status_list']:
+        try:
+            table = tables[k]
+        except KeyError:
+            pass
+        else:
+            print(table.columns[0][0])
+            t = table.exclude(context.obj['status_key'])
+            print(tabulate.tabulate(t.columns, headers=t.column_names, tablefmt="fancy_grid"))
+
 
 @cli.command()
 @click.pass_context
 def config(context):
+    """Show the current configuration."""
     click.echo('Configuration:')
     click.echo(f"Data file: `{context.obj['input']}`")