<record id="my_model_view_form" model="ir.ui.view">
    <field name="name">my.model.view.form</field>
    <field name="model">my.model</field>
    <field name="arch" type="xml">
        <form string="My Model">
            <header>
                <button name="action_confirm" type="object" string="Confirm"
                        class="btn-primary" invisible="state != 'draft'"/>
                <field name="state" widget="statusbar" statusbar_visible="draft,confirmed,done"/>
            </header>
            <sheet>
                <div class="oe_title">
                    <h1><field name="name" placeholder="Name..."/></h1>
                </div>
                <group>
                    <group>
                        <field name="partner_id"/>
                        <field name="active"/>
                    </group>
                    <group>
                        <field name="total"/>
                    </group>
                </group>
                <notebook>
                    <page string="Lines" name="lines">
                        <field name="line_ids">
                            <list editable="bottom">
                                <field name="name"/>
                                <field name="amount"/>
                            </list>
                        </field>
                    </page>
                </notebook>
            </sheet>
            <div class="oe_chatter">
                <field name="message_follower_ids"/>
                <field name="message_ids"/>
            </div>
        </form>
    </field>
</record>

2. List View

<record id="my_model_view_list" model="ir.ui.view">
    <field name="name">my.model.view.list</field>
    <field name="model">my.model</field>
    <field name="arch" type="xml">
        <list string="My Models">
            <field name="sequence" widget="handle"/>
            <field name="name"/>
            <field name="partner_id"/>
            <field name="state" decoration-success="state == 'done'"
                   decoration-info="state == 'confirmed'"/>
            <field name="total" sum="Total"/>
        </list>
    </field>
</record>

3. Search View

<record id="my_model_view_search" model="ir.ui.view">
    <field name="name">my.model.view.search</field>
    <field name="model">my.model</field>
    <field name="arch" type="xml">
        <search string="My Models">
            <field name="name"/>
            <field name="partner_id"/>
            <filter name="filter_draft" string="Draft" domain="[('state','=','draft')]"/>
            <filter name="filter_confirmed" string="Confirmed" domain="[('state','=','confirmed')]"/>
            <separator/>
            <filter name="group_state" string="Status" context="{'group_by': 'state'}"/>
        </search>
    </field>
</record>

4. Action + Menu

<record id="my_model_action" model="ir.actions.act_window">
    <field name="name">My Models</field>
    <field name="res_model">my.model</field>
    <field name="view_mode">list,form</field>
</record>

<menuitem id="my_model_menu_root" name="My App" sequence="10"/>
<menuitem id="my_model_menu" name="My Models" parent="my_model_menu_root"
          action="my_model_action" sequence="10"/>

5. View Inheritance

<record id="res_partner_view_form_inherit" model="ir.ui.view">
    <field name="name">res.partner.view.form.inherit.my_module</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref="base.view_partner_form"/>
    <field name="arch" type="xml">
        <xpath expr="//field[@name='phone']" position="after">
            <field name="my_custom_field"/>
        </xpath>
    </field>
</record>

Checklist

Views registered in __manifest__.py data list
XML IDs follow naming convention
Form view has <sheet> wrapper
Search view includes useful filters and group-by
Action view_mode includes all relevant view types
Menu item linked to action